{"id":"CVE-2026-66564","published":"2026-10-10T20:16:45Z","modified":"2026-10-13T13:28:15Z","title":"Unauthenticated PHP Object Injection in ShiftCV <= 3.0.14 versions","vendor":"ThemeREX","product":"ShiftCV","tier":"core","eol":null,"description":{"text":"Unauthenticated PHP Object Injection in ShiftCV <= 3.0.14 versions.","provenance":"source","from":"NVD"},"summary":{"text":"The flaw is an unauthenticated PHP object injection vulnerability in the ShiftCV product from ThemeREX, affecting versions up to and including 3.0.14, where untrusted data is deserialized. An attacker with network access can exploit it without authentication or user interaction, and the attack requires no special configuration or conditions beyond reaching the vulnerable component.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-23T07:20:42Z"},"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","provenance":"source","from":"NVD"},"epss":{"score":0.00304,"percentile":0.23244,"date":"2026-10-31","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":null,"cwes":[{"id":"CWE-502","name":"Deserialization of Untrusted Data"}],"references":[{"url":"https://patchstack.com/database/wordpress/theme/shift-cv/vulnerability/wordpress-shiftcv-theme-3-0-14-php-object-injection-vulnerability?_s_id=cve","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2026-96518","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-96518","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2026-10-10","kind":"published","label":"Published (NVD)","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66564","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":11.5,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":4.65,"detail":"percentile 0.2324"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}