{"id":"CVE-2026-103522","aliases":["EUVD-2026-97475","GHSA-fr55-rfpm-h943"],"status":"published","title":"CVE-2026-103522","description":"In Thelia v2.6.0, the store banner upload feature performs insufficient filetype validation that relies exclusively on client‑supplied MIME types. An attacker with administrative access can upload a PHP file disguised as an image to bypass validation and achieve remote code execution on the underlying server.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00584,"percentile":0.48363,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2026-10-12T14:53:34Z","modified":"2026-10-13T13:51:00Z","products":[{"vendor":"thelia","product":"thelia"}],"references":[{"url":"https://kb.cert.org/vuls/id/162329"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103522"},{"url":"https://github.com/advisories/GHSA-fr55-rfpm-h943"}],"sources":{"cve":[{"id":"CVE-2026-103522","title":"CVE-2026-103522","description":"In Thelia v2.6.0, the store banner upload feature performs insufficient filetype validation that relies exclusively on client‑supplied MIME types. An attacker with administrative access can upload a PHP file disguised as an image to bypass validation and achieve remote code execution on the underlying server.","status":"published","published":"2026-10-12T14:53:34.695Z","modified":"2026-10-12T14:59:41.947Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T13:34:37.420074Z"}],"euvd":[{"id":"EUVD-2026-97475","description":"In Thelia v2.6.0, the store banner upload feature performs insufficient filetype validation that relies exclusively on client‑supplied MIME types. An attacker with administrative access can upload a PHP file disguised as an image to bypass validation and achieve remote code execution on the underlying server.","status":"published","published":"2026-10-12T14:53:34Z","modified":"2026-10-12T14:59:41Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:27:22.074542Z"}],"ghsa":[{"id":"GHSA-fr55-rfpm-h943","title":"In Thelia v2.6.0, the store banner upload feature performs insufficient filetype validation that...","description":"In Thelia v2.6.0, the store banner upload feature performs insufficient filetype validation that relies exclusively on client‑supplied MIME types. An attacker with administrative access can upload a PHP file disguised as an image to bypass validation and achieve remote code execution on the underlying server.","status":"published","published":"2026-10-12T15:32:19Z","modified":"2026-10-12T15:32:26Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:13:06.481163Z"}],"nvd":[{"id":"CVE-2026-103522","description":"In Thelia v2.6.0, the store banner upload feature performs insufficient filetype validation that relies exclusively on client‑supplied MIME types. An attacker with administrative access can upload a PHP file disguised as an image to bypass validation and achieve remote code execution on the underlying server.","status":"published","published":"2026-10-12T15:17:05.69Z","modified":"2026-10-13T13:51:00.25Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:12:56.310333Z"}]}}