{"id":"CVE-2026-78834","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-78834","summary":"A code execution vulnerability exists in CMSimple 5.22 in the CoAuthors plugin. An authenticated low-privileged user who can modify page content and provide controlled imported content…","details":"A code execution vulnerability exists in CMSimple 5.22 in the CoAuthors plugin. An authenticated low-privileged user who can modify page content and provide controlled imported content can trigger server-side execution by referencing crafted external or uploaded text content through the affected content import feature.","published":"2026-09-08T20:18:38.773","modified":"2026-09-09T16:04:24.933","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://gist.github.com/AEQ3/574cb644306776a9ff1a0de30b085e62"},{"type":"WEB","url":"https://github.com/AEQ3/CVE/issues/1"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-09T16:04:24.933"}}