{"id":"CVE-2021-24809","aliases":["EUVD-2021-11721","GHSA-mh56-9pvx-f58x"],"status":"published","title":"BP Better Messages \u003c 1.9.9.41 - Multiple CSRF","description":"The BP Better Messages WordPress plugin before 1.9.9.41 does not check for CSRF in multiple of its AJAX actions: bp_better_messages_leave_chat, bp_better_messages_join_chat, bp_messages_leave_thread, bp_messages_mute_thread, bp_messages_unmute_thread, bp_better_messages_add_user_to_thread, bp_better_messages_exclude_user_from_thread. This could allow attackers to make logged in users do unwanted actions","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00726,"percentile":0.54384,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2021-11-01T08:46:30Z","modified":"2026-06-17T03:40:56Z","products":[{"vendor":"unknown","product":"bp better messages"},{"vendor":"wordplus","product":"better_messages"},{"vendor":"wordplus","product":"bp better messages"}],"references":[{"url":"https://wpscan.com/vulnerability/e186fef4-dca0-461f-b539-082c13a68d13","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/changeset/2605772/bp-better-messages/trunk/inc/ajax.php","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24809"},{"url":"https://github.com/advisories/GHSA-mh56-9pvx-f58x"}],"sources":{"cve":[{"id":"CVE-2021-24809","title":"BP Better Messages \u003c 1.9.9.41 - Multiple CSRF","description":"The BP Better Messages WordPress plugin before 1.9.9.41 does not check for CSRF in multiple of its AJAX actions: bp_better_messages_leave_chat, bp_better_messages_join_chat, bp_messages_leave_thread, bp_messages_mute_thread, bp_messages_unmute_thread, bp_better_messages_add_user_to_thread, bp_better_messages_exclude_user_from_thread. This could allow attackers to make logged in users do unwanted actions","status":"published","published":"2021-11-01T08:46:30Z","modified":"2024-08-03T19:42:17.375Z","cwes":["CWE-352"],"updated_at":"2026-11-02T14:33:05.331617Z"}],"euvd":[{"id":"EUVD-2021-11721","description":"The BP Better Messages WordPress plugin before 1.9.9.41 does not check for CSRF in multiple of its AJAX actions: bp_better_messages_leave_chat, bp_better_messages_join_chat, bp_messages_leave_thread, bp_messages_mute_thread, bp_messages_unmute_thread, bp_better_messages_add_user_to_thread, bp_better_messages_exclude_user_from_thread. This could allow attackers to make logged in users do unwanted actions","status":"published","published":"2021-11-01T08:46:30Z","modified":"2024-08-03T19:42:17Z","updated_at":"2026-11-03T03:24:55.867627Z"}],"ghsa":[{"id":"GHSA-mh56-9pvx-f58x","title":"The BP Better Messages WordPress plugin before 1.9.9.41 does not check for CSRF in multiple of...","description":"The BP Better Messages WordPress plugin before 1.9.9.41 does not check for CSRF in multiple of its AJAX actions: bp_better_messages_leave_chat, bp_better_messages_join_chat, bp_messages_leave_thread, bp_messages_mute_thread, bp_messages_unmute_thread, bp_better_messages_add_user_to_thread, bp_better_messages_exclude_user_from_thread. This could allow attackers to make logged in users do unwanted actions","status":"published","published":"2022-05-24T19:19:18Z","modified":"2023-01-30T05:03:14Z","cwes":["CWE-352"],"updated_at":"2026-11-02T14:46:47.986344Z"}],"nvd":[{"id":"CVE-2021-24809","description":"The BP Better Messages WordPress plugin before 1.9.9.41 does not check for CSRF in multiple of its AJAX actions: bp_better_messages_leave_chat, bp_better_messages_join_chat, bp_messages_leave_thread, bp_messages_mute_thread, bp_messages_unmute_thread, bp_better_messages_add_user_to_thread, bp_better_messages_exclude_user_from_thread. This could allow attackers to make logged in users do unwanted actions","status":"published","published":"2021-11-01T09:15:09.637Z","modified":"2026-06-17T03:40:56.733Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:07:00.549994Z"}]}}