{"id":"CVE-2026-107887","aliases":["EUVD-2026-109231","GHSA-q8c9-qpq5-4xhg"],"status":"published","title":"Advanced Twenty Seventeen \u003c= 1.3.1 - Subscriber+ Site Theme Switch via ats_create_child_theme","description":"The Advanced Twenty Seventeen WordPress plugin through 1.3.1 does not perform any capability or nonce check on the action that creates and activates its bundled child , allowing any authenticated user such as a subscriber to switch the site's active  site-wide, and allowing the same action to be triggered against any logged-in user including an administrator via CSRF.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00142,"percentile":0.03536,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-10-24T06:00:17Z","modified":"2026-10-26T13:50:14Z","products":[{"vendor":"unknown","product":"advanced twenty seventeen"}],"references":[{"url":"https://wpscan.com/vulnerability/e252c7ee-368d-4bfb-a964-06804747c162/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-107887"},{"url":"https://wpscan.com/vulnerability/e252c7ee-368d-4bfb-a964-06804747c162"},{"url":"https://github.com/advisories/GHSA-q8c9-qpq5-4xhg"}],"sources":{"cve":[{"id":"CVE-2026-107887","title":"Advanced Twenty Seventeen \u003c= 1.3.1 - Subscriber+ Site Theme Switch via ats_create_child_theme","description":"The Advanced Twenty Seventeen WordPress plugin through 1.3.1 does not perform any capability or nonce check on the action that creates and activates its bundled child , allowing any authenticated user such as a subscriber to switch the site's active  site-wide, and allowing the same action to be triggered against any logged-in user including an administrator via CSRF.","status":"published","published":"2026-10-24T06:00:17.576Z","modified":"2026-10-24T14:36:55.557Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"adp"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T13:45:14.072357Z"}],"euvd":[{"id":"EUVD-2026-109231","description":"The Advanced Twenty Seventeen WordPress plugin through 1.3.1 does not perform any capability or nonce check on the action that creates and activates its bundled child , allowing any authenticated user such as a subscriber to switch the site's active  site-wide, and allowing the same action to be triggered against any logged-in user including an administrator via CSRF.","status":"published","published":"2026-10-24T06:00:17Z","modified":"2026-10-24T14:36:55Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T16:59:30.708699Z"}],"ghsa":[{"id":"GHSA-q8c9-qpq5-4xhg","title":"The Advanced Twenty Seventeen WordPress plugin through 1.3.1 does not perform any capability or...","description":"The Advanced Twenty Seventeen WordPress plugin through 1.3.1 does not perform any capability or nonce check on the action that creates and activates its bundled child , allowing any authenticated user such as a subscriber to switch the site's active  site-wide, and allowing the same action to be triggered against any logged-in user including an administrator via CSRF.","status":"published","published":"2026-10-24T06:30:28Z","modified":"2026-10-24T15:32:55Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:14:21.369076Z"}],"nvd":[{"id":"CVE-2026-107887","description":"The Advanced Twenty Seventeen WordPress plugin through 1.3.1 does not perform any capability or nonce check on the action that creates and activates its bundled child , allowing any authenticated user such as a subscriber to switch the site's active  site-wide, and allowing the same action to be triggered against any logged-in user including an administrator via CSRF.","status":"published","published":"2026-10-24T06:16:35.727Z","modified":"2026-10-26T13:50:14.083Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:13:03.126833Z"}]}}