{"id":"CVE-2026-109397","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-109397","generatedAt":"2026-10-28T06:34:22.885Z","title":"Thelia before 3.1.2 and 3.2.x before 3.2.1 contains an unrestricted file upload vulnerability that allows authenticated back-office users to upload PHP files by appending a trailing space to filenames.","description":"Thelia before 3.1.2 and 3.2.x before 3.2.1 contains an unrestricted file upload vulnerability that allows authenticated back-office users to upload PHP files by appending a trailing space to filenames. FileProcessorService validates the raw filename but FileManager::sanitizeFileName() strips the space, storing an executable .php file under public/cache/documents/ for code execution as the web server user.","published":"2026-10-12T16:17:05.000Z","lastModified":"2026-10-13T20:41:36.000Z","status":"Deferred","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":8.6,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-434"],"affected":[],"epss":{"score":0.00441,"percentile":0.38164,"date":"2026-10-27","history":[{"date":"2026-10-13","score":0.00441,"percentile":0.36567}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-12T16:17:05.000Z","detail":{"score":"8.6","severity":"HIGH","publishedAt":"2026-10-12T16:17:05.233Z"},"summary":"New CVE, high severity (CVSS 8.6)."}],"references":[{"url":"https://github.com/thelia/thelia/blob/3.2.0/core/lib/Thelia/Core/File/Service/FileProcessorService.php#L119-L160","source":"disclosure@vulncheck.com"},{"url":"https://github.com/thelia/thelia/commit/6b706f5cb96e6b12d890c6d16edb1c9d1fd8191a","source":"disclosure@vulncheck.com"},{"url":"https://github.com/thelia/thelia/commit/b71258902b5dd278007d0f37ddad45f76d06d5bc","source":"disclosure@vulncheck.com"},{"url":"https://github.com/thelia/thelia/releases/tag/3.1.2","source":"disclosure@vulncheck.com"},{"url":"https://github.com/thelia/thelia/releases/tag/3.2.1","source":"disclosure@vulncheck.com"},{"url":"https://github.com/thelia/thelia/security/advisories/GHSA-5524-qfxp-33v9","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/thelia-before-3.1.2-and-3.2-x-before-3.2.1-file-upload-rce-via-filename-trailing-space","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-109397","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}