{"id":"CVE-2026-46725","aliases":["EUVD-2026-30865","GHSA-8x3j-439w-537c"],"status":"published","title":"Remote Code Execution in extension \"Content Element Selector\" (ceselector)","description":"The extension passes an attacker-controlled cookie directly to PHP's unserialize() without safely processing the input. A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server. Exploitation requires the content element to be configured with \"Persistent Mode: Static\" in the plugin settings.","severity":{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.02625,"percentile":0.85684,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-502"],"published":"2026-05-19T09:25:33Z","modified":"2026-10-26T13:10:00Z","exploits":[{"source":"nuclei","id":"CVE-2026-46725","title":"TYPO3 ceselector Extension - Insecure Deserialization","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-46725.yaml"}],"fixes":[{"ecosystem":"Packagist","package":"mmc/ceselector","fixed_in":["6.0.1","5.0.1","4.0.2","3.0.3"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"mmc/ceselector","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.0.1"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"mmc/ceselector","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0"},{"fixed":"5.0.1"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"mmc/ceselector","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.0.2"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"mmc/ceselector","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.3"}]}]},{"source":"osv","ecosystem":"Packagist","package":"mmc/ceselector","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.0.1"}]}],"versions":["6.0.0"]},{"source":"osv","ecosystem":"Packagist","package":"mmc/ceselector","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0"},{"fixed":"5.0.1"}]}],"versions":["5.0.0"]},{"source":"osv","ecosystem":"Packagist","package":"mmc/ceselector","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.0.0"},{"fixed":"4.0.2"}]}],"versions":["4.0.0","4.0.1"]},{"source":"osv","ecosystem":"Packagist","package":"mmc/ceselector","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.0.3"}]}],"versions":["2.0.0","2.0.1","2.0.2","2.0.3","2.0.4","3.0.0","3.0.1","3.0.2"]}],"products":[{"vendor":"typo3","product":"extension \"content element selector\""}],"references":[{"url":"https://typo3.org/security/advisory/typo3-ext-sa-2026-013","tags":["vendor-advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46725","tags":["advisory"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/mmc/ceselector/CVE-2026-46725.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-8x3j-439w-537c"},{"url":"https://bitbucket.org/thismaechler/typo3-ext-ceselector","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-46725","title":"Remote Code Execution in extension \"Content Element Selector\" (ceselector)","description":"The extension passes an attacker-controlled cookie directly to PHP's unserialize() without safely processing the input. A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server. Exploitation requires the content element to be configured with \"Persistent Mode: Static\" in the plugin settings.","status":"published","published":"2026-05-19T09:25:33.489Z","modified":"2026-05-19T13:29:29.556Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/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":"2026-11-02T13:47:06.353366Z"}],"euvd":[{"id":"EUVD-2026-30865","description":"The extension passes an attacker-controlled cookie directly to PHP's unserialize() without safely processing the input. A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server. Exploitation requires the content element to be configured with \"Persistent Mode: Static\" in the plugin settings.","status":"published","published":"2026-05-19T09:25:33Z","modified":"2026-05-19T13:29:29Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"updated_at":"2026-11-02T18:21:15.688012Z"}],"ghsa":[{"id":"GHSA-8x3j-439w-537c","title":"TYPO3 Remote Code Execution in extension \"Content Element Selector\" (ceselector)","description":"The TYPO3 \"Content Element Selector\" (ceselector) extension passes an attacker-controlled cookie directly to PHP's `unserialize()` without safely processing the input. A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server. Exploitation requires the content element to be configured with `Persistent Mode: Static` in the plugin settings. This has been patched in version 3.0.3, 4.0.2, 5.0.1, and 6.0.1.","status":"published","published":"2026-05-19T12:31:39Z","modified":"2026-06-29T17:30:22Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:40:34.713036Z"}],"nvd":[{"id":"CVE-2026-46725","description":"The extension passes an attacker-controlled cookie directly to PHP's unserialize() without safely processing the input. A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server. Exploitation requires the content element to be configured with \"Persistent Mode: Static\" in the plugin settings.","status":"published","published":"2026-05-19T10:16:25.457Z","modified":"2026-10-26T13:10:00.14Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/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":"2026-11-02T14:12:19.39893Z"}],"osv":[{"id":"GHSA-8x3j-439w-537c","title":"TYPO3 Remote Code Execution in extension \"Content Element Selector\" (ceselector)","description":"The TYPO3 \"Content Element Selector\" (ceselector) extension passes an attacker-controlled cookie directly to PHP's `unserialize()` without safely processing the input. A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server. Exploitation requires the content element to be configured with `Persistent Mode: Static` in the plugin settings. This has been patched in version 3.0.3, 4.0.2, 5.0.1, and 6.0.1.","status":"published","published":"2026-05-19T12:31:39Z","modified":"2026-09-10T03:50:11.689803732Z","cvss":[{"version":"4.0","score":9.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:46:42.78452Z"}]}}