{ "document": { "category": "csaf_base", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "The Netherlands Cyber Security Center (henceforth: NCSC-NL) maintains this portal to enhance access to its information and vulnerabilities. The use of this information is subject to the following terms and conditions:\n\nThe vulnerabilities disclosed in this portal are gathered by NCSC-NL from a variety of open sources, which the user can retrieve from other platforms. NCSC-NL makes every reasonable effort to ensure that the content of this portal is kept up to date, and that it is accurate and complete. Nevertheless, NCSC-NL cannot entirely rule out the possibility of errors, and therefore cannot give any warranty in respect of its completeness, accuracy or real-time keeping up-to-date. NCSC-NL does not control nor guarantee the accuracy, relevance, timeliness or completeness of information obtained from these external sources. The vulnerabilities disclosed in this portal are intended solely for the convenience of professional parties to take appropriate measures to manage the risks posed to the cybersecurity. No rights can be derived from the information provided therein.\n\nNCSC-NL and the Kingdom of the Netherlands assume no legal liability or responsibility for any damage resulting from either the use or inability of use of the vulnerabilities disclosed in this portal. This includes damage resulting from the inaccuracy of incompleteness of the information contained in it.\nThe information on this page is subject to Dutch law. All disputes related to or arising from the use of this portal regarding the disclosure of vulnerabilities will be submitted to the competent court in The Hague. This choice of means also applies to the court in summary proceedings." } ], "publisher": { "category": "coordinator", "contact_details": "cert@ncsc.nl", "name": "National Cyber Security Centre", "namespace": "https://www.ncsc.nl/" }, "title": "CVE-2026-28413", "tracking": { "current_release_date": "2026-03-23T01:24:28.619173Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-28413", "initial_release_date": "2026-03-02T20:39:46.399456Z", "revision_history": [ { "date": "2026-03-02T20:39:46.399456Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (2).| CWES updated (1)." }, { "date": "2026-03-02T20:39:49.455985Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-04T18:36:36.173440Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (12).| Product Identifiers created (12).| Products connected (3).| References created (1).| CWES updated (1)." }, { "date": "2026-03-04T18:36:45.641063Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-05T20:38:54.222536Z", "number": "5", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (3).| References created (1).| CWES updated (1)." }, { "date": "2026-03-05T20:38:56.126697Z", "number": "6", "summary": "NCSC Score updated." }, { "date": "2026-03-05T21:27:38.967341Z", "number": "7", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (1).| CWES updated (1)." }, { "date": "2026-03-05T23:39:36.497347Z", "number": "8", "summary": "References created (1)." }, { "date": "2026-03-06T00:35:43.320995Z", "number": "9", "summary": "References created (1)." }, { "date": "2026-03-06T14:53:13.442865Z", "number": "10", "summary": "Source created.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-06T14:53:24.625657Z", "number": "11", "summary": "NCSC Score updated." }, { "date": "2026-03-06T17:38:46.792101Z", "number": "12", "summary": "Unknown change." }, { "date": "2026-03-17T19:25:17.092289Z", "number": "13", "summary": "Products created (3).| Product Identifiers created (3)." }, { "date": "2026-03-17T19:25:22.304366Z", "number": "14", "summary": "NCSC Score updated." }, { "date": "2026-03-20T09:37:33.785021Z", "number": "15", "summary": "Source connected.| CVE status created. (valid)| EPSS created." } ], "status": "interim", "version": "15" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/<2.1.0", "product": { "name": "vers:unknown/<2.1.0", "product_id": "CSAFPID-5763852" } }, { "category": "product_version_range", "name": "vers:unknown/<3.1.0", "product": { "name": "vers:unknown/<3.1.0", "product_id": "CSAFPID-5763851" } }, { "category": "product_version_range", "name": "vers:unknown/<4.0.0", "product": { "name": "vers:unknown/<4.0.0", "product_id": "CSAFPID-5763850" } } ], "category": "product_name", "name": "Products.isurlinportal" } ], "category": "vendor", "name": "Plone" }, { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:unknown/4.0.0-alpha1", "product": { "name": "vers:unknown/4.0.0-alpha1", "product_id": "CSAFPID-5838842", "product_identification_helper": { "cpe": "cpe:2.3:a:plone:isurlinportal:4.0.0:alpha1:*:*:*:plone:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/<2.1.0", "product": { "name": "vers:unknown/<2.1.0", "product_id": "CSAFPID-5838840", "product_identification_helper": { "cpe": "cpe:2.3:a:plone:isurlinportal:*:*:*:*:*:plone:*:*" } } }, { "category": "product_version_range", "name": "vers:unknown/>=3.0.0|<3.1.0", "product": { "name": "vers:unknown/>=3.0.0|<3.1.0", "product_id": "CSAFPID-5838841", "product_identification_helper": { "cpe": "cpe:2.3:a:plone:isurlinportal:*:*:*:*:*:plone:*:*" } } } ], "category": "product_name", "name": "isurlinportal" }, { "branches": [ { "category": "product_version_range", "name": "vers:unknown/1.0.0", "product": { "name": "vers:unknown/1.0.0", "product_id": "CSAFPID-5541914", "product_identification_helper": { "purl": "pkg:pypi/products-isurlinportal@1.0.0" } } }, { "category": "product_version_range", "name": "vers:unknown/1.1.0", "product": { "name": "vers:unknown/1.1.0", "product_id": "CSAFPID-5541915", "product_identification_helper": { "purl": "pkg:pypi/products-isurlinportal@1.1.0" } } }, { "category": "product_version_range", "name": "vers:unknown/1.1.1", "product": { "name": "vers:unknown/1.1.1", "product_id": "CSAFPID-5541916", "product_identification_helper": { "purl": "pkg:pypi/products-isurlinportal@1.1.1" } } }, { "category": "product_version_range", "name": "vers:unknown/1.2.0", "product": { "name": "vers:unknown/1.2.0", "product_id": "CSAFPID-5759191", "product_identification_helper": { "purl": "pkg:pypi/products-isurlinportal@1.2.0" } } }, { "category": "product_version_range", "name": "vers:unknown/1.2.1", "product": { "name": "vers:unknown/1.2.1", "product_id": "CSAFPID-5759192", "product_identification_helper": { "purl": "pkg:pypi/products-isurlinportal@1.2.1" } } }, { "category": "product_version_range", "name": "vers:unknown/2.0.0", "product": { "name": "vers:unknown/2.0.0", "product_id": "CSAFPID-5759193", "product_identification_helper": { "purl": "pkg:pypi/products-isurlinportal@2.0.0" } } }, { "category": "product_version_range", "name": "vers:unknown/2.0.1", "product": { "name": "vers:unknown/2.0.1", "product_id": "CSAFPID-5759194", "product_identification_helper": { "purl": "pkg:pypi/products-isurlinportal@2.0.1" } } }, { "category": "product_version_range", "name": "vers:unknown/2.0.2", "product": { "name": "vers:unknown/2.0.2", "product_id": "CSAFPID-5759195", "product_identification_helper": { "purl": "pkg:pypi/products-isurlinportal@2.0.2" } } }, { "category": "product_version_range", "name": "vers:unknown/2.0.3", "product": { "name": "vers:unknown/2.0.3", "product_id": "CSAFPID-5759196", "product_identification_helper": { "purl": "pkg:pypi/products-isurlinportal@2.0.3" } } }, { "category": "product_version_range", "name": "vers:unknown/3.0.0", "product": { "name": "vers:unknown/3.0.0", "product_id": "CSAFPID-5759188", "product_identification_helper": { "purl": "pkg:pypi/products-isurlinportal@3.0.0" } } }, { "category": "product_version_range", "name": "vers:unknown/3.0.1", "product": { "name": "vers:unknown/3.0.1", "product_id": "CSAFPID-5759189", "product_identification_helper": { "purl": "pkg:pypi/products-isurlinportal@3.0.1" } } }, { "category": "product_version_range", "name": "vers:unknown/4.0.0a1", "product": { "name": "vers:unknown/4.0.0a1", "product_id": "CSAFPID-5759186", "product_identification_helper": { "purl": "pkg:pypi/products-isurlinportal@4.0.0a1" } } }, { "category": "product_version_range", "name": "vers:unknown/>=0|<2.1.0", "product": { "name": "vers:unknown/>=0|<2.1.0", "product_id": "CSAFPID-5759197" } }, { "category": "product_version_range", "name": "vers:unknown/>=3.0.0|<3.1.0", "product": { "name": "vers:unknown/>=3.0.0|<3.1.0", "product_id": "CSAFPID-5759190" } }, { "category": "product_version_range", "name": "vers:unknown/>=4.0.0a1|<4.0.0", "product": { "name": "vers:unknown/>=4.0.0a1|<4.0.0", "product_id": "CSAFPID-5759187" } } ], "category": "product_name", "name": "products-isurlinportal" } ], "category": "vendor", "name": "plone" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-28413", "cwe": { "id": "CWE-601", "name": "URL Redirection to Untrusted Site ('Open Redirect')" }, "notes": [ { "category": "description", "text": "### Impact\nA url `/login?came_from=////evil.example` may redirect to an external website after login.\n\nStandard Plone is not affected, but if you have customised the login, for example with add-ons, you might be affected. You can try the url to check if you are affected or not.\n\n### Patches\nThe problem has been patched in `Products.isurlinportal`.\n\n* Plone 6.2: upgrade to `Products.isurlinportal` 4.0.0.\n* Plone 6.1: upgrade to `Products.isurlinportal` 3.1.0.\n* Plone 6.0: upgrade to `Products.isurlinportal` 2.1.0.\n* Older Plone versions don't have security support anymore.\n\n### Workarounds\nThere are no known workarounds.\n\n### Background\nWhen you are anonymous and land on a page that requires a login, Plone sends you to the login form. After successful login, Plone redirects you back to the page you came from. Various other forms and pages have a similar system.\n\nThis could get abused by an attacker to trick Plone into redirecting to a different website. Plone checks the page that would be redirected to. It is only accepted if it is within the Plone site domain or part of a different trusted domain.\n\nThe main check for this is in the `Products.isurlinportal` package. A lot of potentially malicious urls are already safely rejected, but here a loop hole was found.\n\nThis was discovered during a penetration test by the CERT-EU Team.", "title": "github - https://github.com/advisories/GHSA-43gx-6gv6-3jcp" }, { "category": "description", "text": "### Impact\nA url `/login?came_from=////evil.example` may redirect to an external website after login.\n\nStandard Plone is not affected, but if you have customised the login, for example with add-ons, you might be affected. You can try the url to check if you are affected or not.\n\n### Patches\nThe problem has been patched in `Products.isurlinportal`.\n\n* Plone 6.2: upgrade to `Products.isurlinportal` 4.0.0.\n* Plone 6.1: upgrade to `Products.isurlinportal` 3.1.0.\n* Plone 6.0: upgrade to `Products.isurlinportal` 2.1.0.\n* Older Plone versions don't have security support anymore.\n\n### Workarounds\nThere are no known workarounds.\n\n### Background\nWhen you are anonymous and land on a page that requires a login, Plone sends you to the login form. After successful login, Plone redirects you back to the page you came from. Various other forms and pages have a similar system.\n\nThis could get abused by an attacker to trick Plone into redirecting to a different website. Plone checks the page that would be redirected to. It is only accepted if it is within the Plone site domain or part of a different trusted domain.\n\nThe main check for this is in the `Products.isurlinportal` package. A lot of potentially malicious urls are already safely rejected, but here a loop hole was found.\n\nThis was discovered during a penetration test by the CERT-EU Team.", "title": "osv - https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/PyPI%2FGHSA-43gx-6gv6-3jcp.json?alt=media" }, { "category": "description", "text": "Products.isurlinportal is a replacement for isURLInPortal method in Plone. Prior to versions 2.1.0, 3.1.0, and 4.0.0, a url /login?came_from=////evil.example may redirect to an external website after login. This issue has been patched in versions 2.1.0, 3.1.0, and 4.0.0.", "title": "cveprojectv5 - https://www.cve.org/CVERecord?id=CVE-2026-28413" }, { "category": "description", "text": "Products.isurlinportal is a replacement for isURLInPortal method in Plone. Prior to versions 2.1.0, 3.1.0, and 4.0.0, a url /login?came_from=////evil.example may redirect to an external website after login. This issue has been patched in versions 2.1.0, 3.1.0, and 4.0.0.", "title": "nvd - https://nvd.nist.gov/vuln/detail/CVE-2026-28413" }, { "category": "other", "text": "0.00032", "title": "EPSS" }, { "category": "other", "text": "4.7", "title": "NCSC Score" }, { "category": "other", "text": "The value of the most recent EPSS score", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-5541914", "CSAFPID-5541915", "CSAFPID-5541916", "CSAFPID-5759186", "CSAFPID-5759187", "CSAFPID-5759188", "CSAFPID-5759189", "CSAFPID-5759190", "CSAFPID-5759191", "CSAFPID-5759192", "CSAFPID-5759193", "CSAFPID-5759194", "CSAFPID-5759195", "CSAFPID-5759196", "CSAFPID-5759197", "CSAFPID-5763850", "CSAFPID-5763851", "CSAFPID-5763852", "CSAFPID-5838840", "CSAFPID-5838841", "CSAFPID-5838842" ] }, "references": [ { "category": "external", "summary": "Source - github", "url": "https://github.com/advisories/GHSA-43gx-6gv6-3jcp" }, { "category": "external", "summary": "Source raw - github", "url": "https://api.github.com/advisories/GHSA-43gx-6gv6-3jcp" }, { "category": "external", "summary": "Source - osv", "url": "https://www.googleapis.com/download/storage/v1/b/osv-vulnerabilities/o/PyPI%2FGHSA-43gx-6gv6-3jcp.json?alt=media" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://www.cve.org/CVERecord?id=CVE-2026-28413" }, { "category": "external", "summary": "Source raw - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/28xxx/CVE-2026-28413.json" }, { "category": "external", "summary": "Source - nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28413" }, { "category": "external", "summary": "Source raw - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-28413" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?cve=CVE-2026-28413" }, { "category": "external", "summary": "Source raw - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Reference - cveprojectv5; github; nvd; osv", "url": "https://github.com/plone/Products.isurlinportal/security/advisories/GHSA-43gx-6gv6-3jcp" }, { "category": "external", "summary": "Reference - github", "url": "https://github.com/advisories/GHSA-43gx-6gv6-3jcp" }, { "category": "external", "summary": "Reference - github; osv", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-28413" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-5541914", "CSAFPID-5541915", "CSAFPID-5541916", "CSAFPID-5759186", "CSAFPID-5759187", "CSAFPID-5759188", "CSAFPID-5759189", "CSAFPID-5759190", "CSAFPID-5759191", "CSAFPID-5759192", "CSAFPID-5759193", "CSAFPID-5759194", "CSAFPID-5759195", "CSAFPID-5759196", "CSAFPID-5759197", "CSAFPID-5763850", "CSAFPID-5763851", "CSAFPID-5763852", "CSAFPID-5838840", "CSAFPID-5838841", "CSAFPID-5838842" ] } ], "title": "CVE-2026-28413" } ] }