{"id":"CVE-2026-81655","aliases":["EUVD-2026-87886","GHSA-8f3r-fqj2-gfj6"],"status":"published","title":"Ad Inserter 2.8.12 - 2.8.18 - Subscriber+ RCE / Stored XSS via Global Custom Fields","description":"The Ad Inserter  WordPress plugin before 2.8.19 does not correctly restrict access to one of its settings pages, making it reachable by every logged in user under a configuration its own settings allow, and does not filter the content saved there, allowing users with a role as low as subscriber to store code which is then executed as PHP or served unescaped to site visitors.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00253,"percentile":0.16976,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2026-09-27T06:00:19Z","modified":"2026-09-28T16:38:58Z","products":[{"vendor":"ad inserter","product":"ad inserter"},{"vendor":"unknown","product":"ad inserter"}],"references":[{"url":"https://wpscan.com/vulnerability/b189ce9a-a930-41e6-bdd1-fdcc3bfb66be/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81655"},{"url":"https://wpscan.com/vulnerability/b189ce9a-a930-41e6-bdd1-fdcc3bfb66be"},{"url":"https://github.com/advisories/GHSA-8f3r-fqj2-gfj6"}],"sources":{"cve":[{"id":"CVE-2026-81655","title":"Ad Inserter 2.8.12 - 2.8.18 - Subscriber+ RCE / Stored XSS via Global Custom Fields","description":"The Ad Inserter  WordPress plugin before 2.8.19 does not correctly restrict access to one of its settings pages, making it reachable by every logged in user under a configuration its own settings allow, and does not filter the content saved there, allowing users with a role as low as subscriber to store code which is then executed as PHP or served unescaped to site visitors.","status":"published","published":"2026-09-27T06:00:19.197Z","modified":"2026-09-28T00:48:09.402Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T13:36:29.327819Z"}],"euvd":[{"id":"EUVD-2026-87886","description":"The Ad Inserter  WordPress plugin before 2.8.19 does not correctly restrict access to one of its settings pages, making it reachable by every logged in user under a configuration its own settings allow, and does not filter the content saved there, allowing users with a role as low as subscriber to store code which is then executed as PHP or served unescaped to site visitors.","status":"published","published":"2026-09-27T06:00:19Z","modified":"2026-09-28T00:48:09Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:27:54.286776Z"}],"ghsa":[{"id":"GHSA-8f3r-fqj2-gfj6","title":"The Ad Inserter  WordPress plugin before 2.8.19 does not correctly restrict access to one of its...","description":"The Ad Inserter  WordPress plugin before 2.8.19 does not correctly restrict access to one of its settings pages, making it reachable by every logged in user under a configuration its own settings allow, and does not filter the content saved there, allowing users with a role as low as subscriber to store code which is then executed as PHP or served unescaped to site visitors.","status":"published","published":"2026-09-27T06:30:20Z","modified":"2026-09-28T03:30:25Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:12:31.359269Z"}],"nvd":[{"id":"CVE-2026-81655","description":"The Ad Inserter  WordPress plugin before 2.8.19 does not correctly restrict access to one of its settings pages, making it reachable by every logged in user under a configuration its own settings allow, and does not filter the content saved there, allowing users with a role as low as subscriber to store code which is then executed as PHP or served unescaped to site visitors.","status":"published","published":"2026-09-27T06:16:58.003Z","modified":"2026-09-28T16:38:58.95Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:12:52.081323Z"}]}}