{"id":"CVE-2026-77138","aliases":["EUVD-2026-65338","GHSA-mj2c-4qfw-rhhc"],"status":"published","title":"Remote Code Execution in extension \"HTML5 Video Player vs. Powermail\" (html5videoplayer_powermail)","description":"The extension fails to safely process untrusted client input of an attacker-controlled cookie directly to PHP's unserialize(). A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server.","severity":{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00716,"percentile":0.54042,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-08-25T09:00:38Z","modified":"2026-09-28T23:10:00Z","products":[{"vendor":"typo3","product":"extension \"html5 video player vs. powermail\""}],"references":[{"url":"https://typo3.org/security/advisory/typo3-ext-sa-2026-014","tags":["vendor-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-77138"},{"url":"https://github.com/advisories/GHSA-mj2c-4qfw-rhhc"}],"sources":{"cve":[{"id":"CVE-2026-77138","title":"Remote Code Execution in extension \"HTML5 Video Player vs. Powermail\" (html5videoplayer_powermail)","description":"The extension fails to safely process untrusted client input of an attacker-controlled cookie directly to PHP's unserialize(). A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server.","status":"published","published":"2026-08-25T09:00:38.059Z","modified":"2026-08-25T14:05:40.648Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:20:16.072351Z"}],"euvd":[{"id":"EUVD-2026-65338","description":"The extension fails to safely process untrusted client input of an attacker-controlled cookie directly to PHP's unserialize(). A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server.","status":"published","published":"2026-08-25T09:00:38Z","modified":"2026-08-25T14:05:40Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T18:01:33.385611Z"}],"ghsa":[{"id":"GHSA-mj2c-4qfw-rhhc","title":"The extension fails to safely process untrusted client input of an attacker-controlled cookie...","description":"The extension fails to safely process untrusted client input of an attacker-controlled cookie directly to PHP's unserialize(). A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server.","status":"published","published":"2026-08-25T09:30:39Z","modified":"2026-08-25T09:30:47Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:10:56.831918Z"}],"nvd":[{"id":"CVE-2026-77138","description":"The extension fails to safely process untrusted client input of an attacker-controlled cookie directly to PHP's unserialize(). A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server.","status":"published","published":"2026-08-25T09:17:34.497Z","modified":"2026-09-28T23:10:00.143Z","cvss":[{"version":"4.0","score":9.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:41.018848Z"}]}}