{"id":"EM-20261102-N2X6","url":"https://cyber.eventmonitor.net/incident/EM-20261102-N2X6/critical-s2member-vulnerability-cve-2026-86596/","type":"cve","title":"Critical s2Member Vulnerability (CVE-2026-86596)","subtitle":"CVE-2026-86596","subject":"CVE-2026-86596","status":"Developing","severity":"critical","affected":[],"headline":null,"born":"2026-11-02T22:17:23.490Z","firstSignal":"2026-11-02T00:00:00.000Z","lastSignal":"2026-11-02T22:17:23.490Z","updated":"2026-11-06T06:30:49.095Z","revision":2,"life":[{"status":"Born","at":"2026-11-02T22:17:23.490Z","why":"second independent source: C6 NVD CVE API 2.0"},{"status":"Developing","at":"2026-11-02T22:17:23.490Z","why":"signals keep joining"}],"changeLog":[{"at":"2026-11-02T00:00:00.000Z","what":"First signal: C30 VulnCheck KEV"},{"at":"2026-11-02T22:17:23.490Z","what":"Born: second source, C6 NVD CVE API 2.0. Page EM-20261102-N2X6 created."},{"at":"2026-11-02T22:17:23.490Z","what":"Severity raised to Critical by C6"}],"stages":[{"name":"Disclosed","at":"2026-11-02T22:17:23.490Z","detail":"C6 NVD published"},{"name":"Scored","at":"2026-11-02T22:17:23.490Z","detail":"CVSS 9.8 · EPSS 1.5%"},{"name":"Exploited","at":null,"detail":"No exploitation reported"},{"name":"Advisories","at":null,"detail":"None yet"},{"name":"Vendor Response","at":null,"detail":"None in sources yet"},{"name":"Resolved","at":null,"detail":"After 14 quiet days"}],"signals":[{"at":"2026-11-02T00:00:00.000Z","source":"C30","sourceName":"VulnCheck KEV","role":"Research & News","severity":3,"title":"CVE-2026-86596 known exploited (VulnCheck KEV): CLavaque s2Member Improper Control of Generation of Code","text":"The s2Member plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, <= 260927 via the 'item_name' parameter parameter. This is due to insufficient sanitization in strip_php_tags_deep(), which only strips literal '<?' sequences, combined with a…","url":"https://vulncheck.com/browse/cve/CVE-2026-86596"},{"at":"2026-11-02T22:17:23.490Z","source":"C6","sourceName":"NVD CVE API 2.0","role":"Database","severity":4,"title":"CVE-2026-86596 (CVSS 9.8)","text":"The s2Member plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, <= 260927 via the 'item_name' parameter parameter. This is due to insufficient sanitization in strip_php_tags_deep(), which only strips literal '<?' sequences, combined with a post-interpolation placeholder cleanup that reassembles a valid '<?php' opener after the attacker-controlled value has already been embedded in the email template. This makes it possible for authenticated attackers, with custom-level access and above, to execute code on the server.","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86596"}],"crowd":[],"reference":{"nvd":{"published":"2026-11-02T22:17:23.490","score":9.8,"severity":"CRITICAL","desc":"The s2Member plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, <= 260927 via the 'item_name' parameter parameter. This is due to insufficient sanitization in strip_php_tags_deep(), which only strips literal '<?' sequences, combined with a…","product":"","seen":1793803438877},"kev":null,"epss":{"epss":0.01487,"pct":0.74119,"at":1793803438877},"p0":false},"mergedInto":null,"publisher":"Event Monitor Cyber"}