{"id":"CVE-2026-81784","aliases":["EUVD-2026-75517","GHSA-xxr7-8h46-rxxw"],"status":"published","title":"WordPress Wise Chat plugin \u003c= 3.4.2 - PHP Object Injection vulnerability","description":"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":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00436,"percentile":0.38361,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2026-09-10T14:23:40Z","modified":"2026-10-06T10:16:52Z","products":[{"vendor":"marcin","product":"wise chat"},{"vendor":"marcinlawrowski","product":"wise chat"}],"references":[{"url":"https://patchstack.com/database/wordpress/plugin/wise-chat/vulnerability/wordpress-wise-chat-plugin-3-4-php-object-injection-vulnerability?_s_id=cve","tags":["vdb-entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81784"},{"url":"https://github.com/advisories/GHSA-xxr7-8h46-rxxw"}],"sources":{"cve":[{"id":"CVE-2026-81784","title":"WordPress Wise Chat plugin \u003c= 3.4.2 - PHP Object Injection vulnerability","description":"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.","status":"published","published":"2026-09-10T14:23:40.119Z","modified":"2026-10-06T09:27:41.502Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T13:36:18.075535Z"}],"euvd":[{"id":"EUVD-2026-75517","description":"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.","status":"published","published":"2026-09-10T14:23:40Z","modified":"2026-10-06T09:27:41Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T17:27:38.724649Z"}],"ghsa":[{"id":"GHSA-xxr7-8h46-rxxw","title":"Unauthenticated PHP Object Injection in Wise Chat \u003c= 3.4 versions.","description":"Unauthenticated PHP Object Injection in Wise Chat \u003c= 3.4 versions.","status":"published","published":"2026-09-10T15:33:20Z","modified":"2026-09-10T15:33:29Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:11:42.086801Z"}],"nvd":[{"id":"CVE-2026-81784","description":"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.","status":"published","published":"2026-09-10T15:17:43.817Z","modified":"2026-10-06T10:16:52.377Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:12:46.271848Z"}]}}