{"id":"CVE-2026-0736","aliases":["EUVD-2026-6044","GHSA-whjx-jr95-pc2f"],"status":"published","title":"Chatbot for WordPress by Collect.chat ⚡️ \u003c= 2.4.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post Meta Field","description":"The Chatbot for WordPress by Collect.chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the '_inpost_head_script[synth_header_script]' post meta field in all versions up to, and including, 2.4.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00296,"percentile":0.22439,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-02-14T06:42:36Z","modified":"2026-06-17T10:11:17Z","products":[{"vendor":"collectchat","product":"chatbot for wordpress by collect.chat ⚡️"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/fb62f4c2-ce9f-4958-8b83-cc0d5f4d4647?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/collectchat/trunk/collect.php#L388"},{"url":"https://plugins.trac.wordpress.org/browser/collectchat/tags/2.4.8/collect.php#L388"},{"url":"https://plugins.trac.wordpress.org/browser/collectchat/trunk/collect.php#L282"},{"url":"https://plugins.trac.wordpress.org/browser/collectchat/tags/2.4.8/collect.php#L282"},{"url":"https://plugins.trac.wordpress.org/changeset/3460985/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0736"},{"url":"https://plugins.trac.wordpress.org/changeset/3460985"},{"url":"https://github.com/advisories/GHSA-whjx-jr95-pc2f"}],"sources":{"cve":[{"id":"CVE-2026-0736","title":"Chatbot for WordPress by Collect.chat ⚡️ \u003c= 2.4.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Post Meta Field","description":"The Chatbot for WordPress by Collect.chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the '_inpost_head_script[synth_header_script]' post meta field in all versions up to, and including, 2.4.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-02-14T06:42:36.906Z","modified":"2026-04-08T17:34:32.341Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:13.962274Z"}],"euvd":[{"id":"EUVD-2026-6044","description":"The Chatbot for WordPress by Collect.chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the '_inpost_head_script[synth_header_script]' post meta field in all versions up to, and including, 2.4.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-02-14T06:42:36Z","modified":"2026-04-08T17:34:32Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:32.351737Z"}],"ghsa":[{"id":"GHSA-whjx-jr95-pc2f","title":"The Chatbot for WordPress by Collect.chat plugin for WordPress is vulnerable to Stored Cross-Site...","description":"The Chatbot for WordPress by Collect.chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the '_inpost_head_script[synth_header_script]' post meta field in all versions up to, and including, 2.4.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-02-14T09:31:33Z","modified":"2026-04-08T21:33:12Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:07:21.520973Z"}],"nvd":[{"id":"CVE-2026-0736","description":"The Chatbot for WordPress by Collect.chat plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the '_inpost_head_script[synth_header_script]' post meta field in all versions up to, and including, 2.4.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-02-14T07:16:08.94Z","modified":"2026-06-17T10:11:17.53Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:05.908608Z"}]}}