{"id":"CVE-2021-4049","aliases":["BIT-livehelperchat-2021-4049","EUVD-2021-2528","GHSA-h86j-6h6m-qjqw"],"status":"published","title":"Cross-Site Request Forgery (CSRF) in livehelperchat/livehelperchat","description":"livehelperchat is vulnerable to Cross-Site Request Forgery (CSRF)","severity":{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00441,"percentile":0.3863,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-352"],"published":"2021-12-07T10:40:10Z","modified":"2026-10-20T10:54:56Z","fixes":[{"ecosystem":"Bitnami","package":"livehelperchat","fixed_in":["2.0.0"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"remdex/livehelperchat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.0"}]}]},{"source":"osv","ecosystem":"Bitnami","package":"livehelperchat","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.0.0"}]}]},{"source":"osv","ecosystem":"Packagist","package":"remdex/livehelperchat","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"2.0"}]}],"versions":["1.74","1.81","1.82","1.83","1.84","1.85","1.86","1.87","1.88","1.89","1.90","1.91","1.93","1.94","1.95","1.98","2.0"]}],"products":[{"vendor":"livehelperchat","product":"live_helper_chat"},{"vendor":"livehelperchat","product":"livehelperchat/livehelperchat"}],"references":[{"url":"https://huntr.dev/bounties/62408fa4-2c16-4fcd-8b34-41fcdccb779e","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","Third Party Advisory","web","fix"]},{"url":"https://github.com/livehelperchat/livehelperchat/commit/e7fe1aa6a087d4d21b2e8a0dadd2e08f42acbb57","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","web","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4049","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-h86j-6h6m-qjqw"},{"url":"https://github.com/livehelperchat/livehelperchat","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-4049","title":"Cross-Site Request Forgery (CSRF) in livehelperchat/livehelperchat","description":"livehelperchat is vulnerable to Cross-Site Request Forgery (CSRF)","status":"published","published":"2021-12-07T10:40:10Z","modified":"2024-08-03T17:16:02.984Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:33:07.697752Z"}],"euvd":[{"id":"EUVD-2021-2528","description":"livehelperchat is vulnerable to Cross-Site Request Forgery (CSRF)","status":"published","published":"2021-12-07T10:40:10Z","modified":"2024-08-03T17:16:02Z","cvss":[{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T03:25:10.888157Z"}],"ghsa":[{"id":"GHSA-h86j-6h6m-qjqw","title":"Cross-Site Request Forgery in remdex/livehelperchat","description":"An attacker is able to log out a user if a logged-in user visits the attacker's website. While this cannot harm a user's account, it can be a great annoyance and is a valid CSRF.","status":"published","published":"2021-12-10T20:26:34Z","modified":"2023-02-01T05:06:46Z","cwes":["CWE-352"],"updated_at":"2026-11-02T14:36:39.76883Z"}],"nvd":[{"id":"CVE-2021-4049","description":"livehelperchat is vulnerable to Cross-Site Request Forgery (CSRF)","status":"published","published":"2021-12-07T11:15:08.087Z","modified":"2026-06-17T04:18:57.387Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.0","score":4.3,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:07:01.811115Z"}],"osv":[{"id":"CVE-2021-4049","description":"livehelperchat is vulnerable to Cross-Site Request Forgery (CSRF)","status":"published","published":"2021-12-07T11:15:08.087Z","modified":"2026-10-20T10:54:56.105457348Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:21.249056Z"},{"id":"BIT-livehelperchat-2021-4049","description":"livehelperchat is vulnerable to Cross-Site Request Forgery (CSRF)","status":"published","published":"2024-03-06T10:59:43.365Z","modified":"2024-03-06T11:25:28.861Z","updated_at":"2026-11-02T15:28:32.645004Z"},{"id":"GHSA-h86j-6h6m-qjqw","title":"Cross-Site Request Forgery in remdex/livehelperchat","description":"An attacker is able to log out a user if a logged-in user visits the attacker's website. 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