{ "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-2026-3997", "tracking": { "current_release_date": "2026-03-24T03:13:01.634097Z", "generator": { "date": "2026-02-17T15:00:00Z", "engine": { "name": "V.E.L.M.A", "version": "1.7" } }, "id": "CVE-2026-3997", "initial_release_date": "2026-03-21T04:28:02.237581Z", "revision_history": [ { "date": "2026-03-21T04:28:02.237581Z", "number": "1", "summary": "CVE created.| Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| References created (9).| CWES updated (1)." }, { "date": "2026-03-21T04:28:05.318210Z", "number": "2", "summary": "NCSC Score created." }, { "date": "2026-03-21T04:39:57.095456Z", "number": "3", "summary": "Source created.| CVE status created. (valid)| Description created for source.| CVSS created.| Products created (1).| References created (9).| CWES updated (1)." }, { "date": "2026-03-21T04:39:59.716601Z", "number": "4", "summary": "NCSC Score updated." }, { "date": "2026-03-21T07:40:54.357558Z", "number": "5", "summary": "NCSC Score updated." }, { "date": "2026-03-21T15:21:09.877094Z", "number": "6", "summary": "Source connected.| CVE status created. (valid)| EPSS created." }, { "date": "2026-03-24T03:12:49.183793Z", "number": "7", "summary": "Unknown change." }, { "date": "2026-03-24T03:12:52.847875Z", "number": "8", "summary": "NCSC Score updated." } ], "status": "interim", "version": "8" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:semver/<=1.1", "product": { "name": "vers:semver/<=1.1", "product_id": "CSAFPID-5881496" } } ], "category": "product_name", "name": "Text Toggle" } ], "category": "vendor", "name": "hoosierdragon" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-3997", "cwe": { "id": "CWE-79", "name": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')" }, "notes": [ { "category": "description", "text": "The Text Toggle plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'title' shortcode attribute of the [tt_part] and [tt] shortcodes in all versions up to and including 1.1. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes. Specifically, in the avp_texttoggle_part_shortcode() function, the 'title' attribute is extracted from shortcode attributes and concatenated directly into HTML output without any escaping — both within an HTML attribute context (title=\"...\") on line 116 and in HTML content on line 119. While the 'class' attribute is properly validated using ctype_alnum(), the 'title' attribute has no sanitization whatsoever. An attacker can inject double-quote characters to break out of the title attribute and inject arbitrary HTML attributes including event handlers. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.", "title": "nvd - https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-3997" }, { "category": "description", "text": "The Text Toggle plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'title' shortcode attribute of the [tt_part] and [tt] shortcodes in all versions up to and including 1.1. This is due to insufficient input sanitization and output escaping on user-supplied shortcode attributes. Specifically, in the avp_texttoggle_part_shortcode() function, the 'title' attribute is extracted from shortcode attributes and concatenated directly into HTML output without any escaping — both within an HTML attribute context (title=\"...\") on line 116 and in HTML content on line 119. While the 'class' attribute is properly validated using ctype_alnum(), the 'title' attribute has no sanitization whatsoever. An attacker can inject double-quote characters to break out of the title attribute and inject arbitrary HTML attributes including event handlers. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.", "title": "cveprojectv5 - https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/3xxx/CVE-2026-3997.json" }, { "category": "other", "text": "0.00056", "title": "EPSS" }, { "category": "other", "text": "3.8", "title": "NCSC Score" }, { "category": "other", "text": "There is cwe data available from source Nvd, Is related to CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')), The value of the most recent CVSS (V3) score", "title": "NCSC Score top decreasing factors" } ], "product_status": { "known_affected": [ "CSAFPID-5881496" ] }, "references": [ { "category": "external", "summary": "Source - nvd", "url": "https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-3997" }, { "category": "external", "summary": "Source - cveprojectv5", "url": "https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/3xxx/CVE-2026-3997.json" }, { "category": "external", "summary": "Source - first", "url": "https://api.first.org/data/v1/epss?limit=10000&offset=0" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://plugins.trac.wordpress.org/browser/text-toggle/tags/1.1/avp-texttoggle.php#L108" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://plugins.trac.wordpress.org/browser/text-toggle/tags/1.1/avp-texttoggle.php#L116" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://plugins.trac.wordpress.org/browser/text-toggle/tags/1.1/avp-texttoggle.php#L119" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://plugins.trac.wordpress.org/browser/text-toggle/tags/1.1/avp-texttoggle.php#L72" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://plugins.trac.wordpress.org/browser/text-toggle/trunk/avp-texttoggle.php#L108" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://plugins.trac.wordpress.org/browser/text-toggle/trunk/avp-texttoggle.php#L116" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://plugins.trac.wordpress.org/browser/text-toggle/trunk/avp-texttoggle.php#L119" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://plugins.trac.wordpress.org/browser/text-toggle/trunk/avp-texttoggle.php#L72" }, { "category": "external", "summary": "Reference - cveprojectv5; nvd", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/d7ac0683-120f-4e76-9d44-5ee1c789b2c8?source=cve" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM" }, "products": [ "CSAFPID-5881496" ] } ], "title": "CVE-2026-3997" } ] }