{"id":"CVE-2025-12016","aliases":["EUVD-2025-35823","GHSA-pg85-hqc5-qmc9"],"status":"published","title":"qnotsquiz \u003c= 1.0.0 - Authenticated (Admin+) Stored Cross-Site Scripting","description":"The qnotsquiz plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'qnotsquiz_custom_start_text' parameter in all versions up to, and including, 1.0.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00205,"percentile":0.10639,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-10-24T08:23:55Z","modified":"2026-10-08T11:10:00Z","products":[{"vendor":"muniyandibg","product":"qnotsquiz"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/07043be9-c81e-4021-90af-976ae57c0bec?source=cve"},{"url":"https://wordpress.org/plugins/qnotsquiz/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-12016"},{"url":"https://wordpress.org/plugins/qnotsquiz"},{"url":"https://github.com/advisories/GHSA-pg85-hqc5-qmc9"}],"sources":{"cve":[{"id":"CVE-2025-12016","title":"qnotsquiz \u003c= 1.0.0 - Authenticated (Admin+) Stored Cross-Site Scripting","description":"The qnotsquiz plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'qnotsquiz_custom_start_text' parameter in all versions up to, and including, 1.0.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","status":"published","published":"2025-10-24T08:23:55.993Z","modified":"2026-04-08T16:33:53.622Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:42.078906Z"}],"euvd":[{"id":"EUVD-2025-35823","description":"The qnotsquiz plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'qnotsquiz_custom_start_text' parameter in all versions up to, and including, 1.0.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","status":"published","published":"2025-10-24T08:23:55Z","modified":"2026-04-08T16:33:53Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:25:10.76969Z"}],"ghsa":[{"id":"GHSA-pg85-hqc5-qmc9","title":"The qnotsquiz plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ...","description":"The qnotsquiz plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'qnotsquiz_custom_start_text' parameter in all versions up to, and including, 1.0.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","status":"published","published":"2025-10-24T09:31:59Z","modified":"2025-10-24T09:32:10Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:04:12.620224Z"}],"nvd":[{"id":"CVE-2025-12016","description":"The qnotsquiz plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'qnotsquiz_custom_start_text' parameter in all versions up to, and including, 1.0.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.","status":"published","published":"2025-10-24T09:15:43.987Z","modified":"2026-10-08T11:10:00.25Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:39.579859Z"}]}}