{"id":"CVE-2026-14812","aliases":["EUVD-2026-54181","GHSA-r59p-4mh6-5r64"],"status":"published","title":"Premium SEO - Unauthenticated Backdoor (Admin Creation / RCE / SSRF / Content Injection)","description":"The Premium SEO WordPress plugin is malicious: it ships an unauthenticated backdoor that creates a hidden administrator account and, in some builds, also enables remote code execution, server-side request forgery and arbitrary front-end script/content injection, giving an unauthenticated attacker full control of the affected site.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00831,"percentile":0.57876,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-912"],"published":"2026-08-06T16:52:36Z","modified":"2026-08-26T16:31:16Z","products":[{"vendor":"unknown","product":"premium seo"}],"references":[{"url":"https://wpscan.com/vulnerability/0115a640-7139-4ef9-81be-6ee5c755a601/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-14812"},{"url":"https://wpscan.com/vulnerability/0115a640-7139-4ef9-81be-6ee5c755a601"},{"url":"https://github.com/advisories/GHSA-r59p-4mh6-5r64"}],"sources":{"cve":[{"id":"CVE-2026-14812","title":"Premium SEO - Unauthenticated Backdoor (Admin Creation / RCE / SSRF / Content Injection)","description":"The Premium SEO WordPress plugin is malicious: it ships an unauthenticated backdoor that creates a hidden administrator account and, in some builds, also enables remote code execution, server-side request forgery and arbitrary front-end script/content injection, giving an unauthenticated attacker full control of the affected site.","status":"published","published":"2026-08-06T16:52:36.191Z","modified":"2026-08-07T14:00:31.494Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-912"],"updated_at":"2026-11-02T13:38:32.13011Z"}],"euvd":[{"id":"EUVD-2026-54181","description":"The Premium SEO WordPress plugin is malicious: it ships an unauthenticated backdoor that creates a hidden administrator account and, in some builds, also enables remote code execution, server-side request forgery and arbitrary front-end script/content injection, giving an unauthenticated attacker full control of the affected site.","status":"published","published":"2026-08-06T16:52:36Z","modified":"2026-08-07T14:00:31Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:02:07.294457Z"}],"ghsa":[{"id":"GHSA-r59p-4mh6-5r64","title":"The Premium SEO WordPress plugin is malicious: it ships an unauthenticated backdoor that creates...","description":"The Premium SEO WordPress plugin is malicious: it ships an unauthenticated backdoor that creates a hidden administrator account and, in some builds, also enables remote code execution, server-side request forgery and arbitrary front-end script/content injection, giving an unauthenticated attacker full control of the affected site.","status":"published","published":"2026-08-07T00:31:14Z","modified":"2026-08-07T15:33:10Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-912"],"updated_at":"2026-11-02T15:10:11.66732Z"}],"nvd":[{"id":"CVE-2026-14812","description":"The Premium SEO WordPress plugin is malicious: it ships an unauthenticated backdoor that creates a hidden administrator account and, in some builds, also enables remote code execution, server-side request forgery and arbitrary front-end script/content injection, giving an unauthenticated attacker full control of the affected site.","status":"published","published":"2026-08-06T22:16:46.967Z","modified":"2026-08-26T16:31:16.753Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-912"],"updated_at":"2026-11-02T14:12:35.386166Z"}]}}