{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-109972", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-10-13T11:49:37.650Z", "datePublished": "2026-10-28T06:45:08.551Z", "dateUpdated": "2026-10-28T06:45:08.551Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-10-28T06:45:08.551Z"}, "affected": [{"vendor": "clavaque", "product": "s2Member \u2013 Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "261011", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The s2Member \u2013 Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'date_format' parameter in all versions up to, and including, <= 261011 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. The payload bypasses wp_kses_post() on save because it contains no literal angle brackets \u2014 only backslash-escaped sequences that PHP's date() materializes into HTML tag characters at render time after WordPress's shortcode_parse_atts() applies stripcslashes() to the attribute value."}], "title": "s2Member <= 261011 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'date_format' Shortcode Attribute", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/2782f0f7-625d-4141-8e2c-4bdaa0219007?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/s2member/trunk/src/includes/classes/sc-gets-in.inc.php#L119"}, {"url": "https://plugins.trac.wordpress.org/browser/s2member/trunk/src/includes/classes/sc-gets-in.inc.php#L98"}, {"url": "https://plugins.trac.wordpress.org/browser/s2member/trunk/src/includes/classes/sc-gets-in.inc.php#L53"}, {"url": "https://plugins.trac.wordpress.org/browser/s2member/trunk/src/includes/codes.inc.php#L24"}, {"url": "https://plugins.trac.wordpress.org/changeset/3751344/s2member/trunk/src/includes/classes/sc-gets-in.inc.php"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "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": "2026-10-14T04:20:37.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-10-27T17:42:33.000Z", "lang": "en", "value": "Disclosed"}]}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "s2Member \u2013 Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions", "vendor": "clavaque", "versions": [{"lessThanOrEqual": "261011", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The s2Member \u2013 Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscriptions plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'date_format' parameter in all versions up to, and including, <= 261011 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. The payload bypasses wp_kses_post() on save because it contains no literal angle brackets \u2014 only backslash-escaped sequences that PHP's date() materializes into HTML tag characters at render time after WordPress's shortcode_parse_atts() applies stripcslashes() to the attribute value."}], "id": "CVE-2026-109972", "lastModified": "2026-10-28T13:46:33.207", "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": "2026-10-28T07:16:45.017", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/s2member/trunk/src/includes/classes/sc-gets-in.inc.php#L119"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/s2member/trunk/src/includes/classes/sc-gets-in.inc.php#L53"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/s2member/trunk/src/includes/classes/sc-gets-in.inc.php#L98"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/s2member/trunk/src/includes/codes.inc.php#L24"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3751344/s2member/trunk/src/includes/classes/sc-gets-in.inc.php"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/2782f0f7-625d-4141-8e2c-4bdaa0219007?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{"created": "2026-10-28T08:30:16.887403+00:00", "updated": "2026-10-28T08:30:16.887408+00:00", "vendors": []}