CVE-2026-125409

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-125409", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-11-09T22:24:31.767Z", "datePublished": "2026-11-13T09:35:14.057Z", "dateUpdated": "2026-11-13T09:35:14.057Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-11-13T09:35:14.057Z"}, "affected": [{"vendor": "wpchill", "product": "Passster \u2013 Password Protect Pages and Content", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "4.3.21", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Passster \u2013 Password Protect Pages and Content plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'metavalue (metakeyinput=passster_id | passster_headline)' parameter in all versions up to, and including, 4.3.21 due to insufficient input sanitization and output escaping. 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. A Contributor can break out of the shortcode attribute context by embedding a ] character in the passster_id or passster_headline meta value to prematurely close the opening shortcode tag, then append a [/passster] closing tag so that the trailing HTML payload is emitted verbatim by do_shortcode() \u2014 bypassing the per-attribute escaping present inside render_shortcode() \u2014 and the script will also execute in an editor's or administrator's browser when they preview the Contributor's pending post, since filter_the_content() has no edit-permission capability gate."}], "title": "Passster <= 4.3.21 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'metavalue' Parameter", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/81cf06d2-9b5a-4f9f-adf9-890b46db7783?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/content-protector/tags/4.3.21/inc/class-ps-public.php#L417"}, {"url": "https://plugins.trac.wordpress.org/browser/content-protector/tags/4.3.21/inc/class-ps-public.php#L429"}, {"url": "https://plugins.trac.wordpress.org/browser/content-protector/tags/4.3.21/inc/class-ps-public.php#L294"}, {"url": "https://plugins.trac.wordpress.org/browser/content-protector/tags/4.3.21/inc/admin/inc/class-ps-meta.php#L82"}, {"url": "https://plugins.trac.wordpress.org/changeset/3793918/content-protector/trunk/inc/class-ps-public.php"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation", "cweId": "CWE-79", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"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"}}], "credits": [{"lang": "en", "type": "finder", "value": "Wordfence PRISM"}], "timeline": [{"time": "2026-11-09T22:39:46.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-11-12T20:48:11.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Passster \u2013 Password Protect Pages and Content", "vendor": "wpchill", "versions": [{"lessThanOrEqual": "4.3.21", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Passster \u2013 Password Protect Pages and Content plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'metavalue (metakeyinput=passster_id | passster_headline)' parameter in all versions up to, and including, 4.3.21 due to insufficient input sanitization and output escaping. 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. A Contributor can break out of the shortcode attribute context by embedding a ] character in the passster_id or passster_headline meta value to prematurely close the opening shortcode tag, then append a [/passster] closing tag so that the trailing HTML payload is emitted verbatim by do_shortcode() \u2014 bypassing the per-attribute escaping present inside render_shortcode() \u2014 and the script will also execute in an editor's or administrator's browser when they preview the Contributor's pending post, since filter_the_content() has no edit-permission capability gate."}], "id": "CVE-2026-125409", "lastModified": "2026-11-13T10:17:28.443", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 2.7, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-11-13T10:17:28.317", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/content-protector/tags/4.3.21/inc/admin/inc/class-ps-meta.php#L82"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/content-protector/tags/4.3.21/inc/class-ps-public.php#L294"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/content-protector/tags/4.3.21/inc/class-ps-public.php#L417"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/content-protector/tags/4.3.21/inc/class-ps-public.php#L429"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3793918/content-protector/trunk/inc/class-ps-public.php"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/81cf06d2-9b5a-4f9f-adf9-890b46db7783?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{}