{"id":"CVE-2026-81784","title":"Deserialization of Untrusted Data vulnerability in Marcin Wise Chat wise-chat allows Object Injection.This issue affects Wise Chat: from n/a through 3.4.2.","summary":"Deserialization of Untrusted Data vulnerability in Marcin Wise Chat wise-chat allows Object Injection.This issue affects Wise Chat: from n/a through 3.4.2.","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-502"],"vendor":"Marcin","product":"wise-chat","affected":["wise-chat <= 3.4.2"],"published":"2026-09-10","updated":"2026-10-06","sourceUpdated":"2026-10-06T10:16:52.377","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-81784","references":[{"url":"https://patchstack.com/database/wordpress/plugin/wise-chat/vulnerability/wordpress-wise-chat-plugin-3-4-php-object-injection-vulnerability?_s_id=cve","label":"audit@patchstack.com"}],"tags":["nvd","cve.org"],"epss":0.00436,"epssPercentile":0.37697,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-10T20:36:22.366640Z"},"ingestedAt":"2026-09-11T16:45:48.023Z","slug":"CVE-2026-81784","body":"## Overview\n\nDeserialization of Untrusted Data vulnerability in Marcin Wise Chat wise-chat allows Object Injection.This issue affects Wise Chat: from n/a through 3.4.2.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":45,"depthScoreParts":{"impact":44.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}