{"id":"CVE-2025-12813","aliases":["EUVD-2025-60947","GHSA-8h9p-5fxf-7jmx"],"status":"published","title":"Holiday class post calendar \u003c= 7.1 - Unauthenticated Remote Code Execution via 'contents'","description":"The Holiday class post calendar plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 7.1 via the 'contents' parameter. This is due to a lack of sanitization of user-supplied data when creating a cache file. This makes it possible for unauthenticated attackers to execute code on the server.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00913,"percentile":0.60489,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2025-11-11T03:30:43Z","modified":"2026-10-18T21:10:00Z","products":[{"vendor":"strix-bubol5","product":"holiday class post calendar"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/7f7968c4-589c-4949-9f69-4a0ba4db4ea9?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/holiday-class-post-calendar/trunk/holiday_class_post_calendar.php#L1234"},{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026old=3414925%40holiday-class-post-calendar\u0026new=3414925%40holiday-class-post-calendar\u0026sfp_email=\u0026sfph_mail="},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-12813"},{"url":"https://github.com/advisories/GHSA-8h9p-5fxf-7jmx"}],"sources":{"cve":[{"id":"CVE-2025-12813","title":"Holiday class post calendar \u003c= 7.1 - Unauthenticated Remote Code Execution via 'contents'","description":"The Holiday class post calendar plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 7.1 via the 'contents' parameter. This is due to a lack of sanitization of user-supplied data when creating a cache file. This makes it possible for unauthenticated attackers to execute code on the server.","status":"published","published":"2025-11-11T03:30:43.449Z","modified":"2026-04-08T17:03:22.55Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:32:42.078906Z"}],"euvd":[{"id":"EUVD-2025-60947","description":"The Holiday class post calendar plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 7.1 via the 'contents' parameter. This is due to a lack of sanitization of user-supplied data when creating a cache file. This makes it possible for unauthenticated attackers to execute code on the server.","status":"published","published":"2025-11-11T03:30:43Z","modified":"2026-04-08T17:03:22Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:24:52.04573Z"}],"ghsa":[{"id":"GHSA-8h9p-5fxf-7jmx","title":"The Holiday class post calendar plugin for WordPress is vulnerable to Remote Code Execution in...","description":"The Holiday class post calendar plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 7.1 via the 'contents' parameter. This is due to a lack of sanitization of user-supplied data when creating a cache file. This makes it possible for unauthenticated attackers to execute code on the server.","status":"published","published":"2025-11-11T06:30:22Z","modified":"2026-04-08T18:34:00Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:07:16.301048Z"}],"nvd":[{"id":"CVE-2025-12813","description":"The Holiday class post calendar plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 7.1 via the 'contents' parameter. This is due to a lack of sanitization of user-supplied data when creating a cache file. This makes it possible for unauthenticated attackers to execute code on the server.","status":"published","published":"2025-11-11T04:15:50.413Z","modified":"2026-10-18T21:10:00.12Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:11:42.870953Z"}]}}