{"id":"CVE-2021-3816","aliases":["DEBIAN-CVE-2021-3816","EUVD-2021-27069","GHSA-6gq5-766m-4c86","UBUNTU-CVE-2021-3816"],"status":"published","title":"Cacti 1.1.38 allows authenticated users with User Management permissions to inject arbitrary HTML...","description":"Cacti 1.1.38 allows authenticated users with User Management permissions to inject arbitrary HTML in the group_prefix field during the creation of a new group via \"Copy\" method at user_group_admin.php.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00533,"percentile":0.4531,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2022-01-19T20:38:50Z","modified":"2026-10-24T10:30:58Z","fixes":[{"ecosystem":"Debian:12","package":"cacti","fixed_in":["1.2.1+ds1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"cacti","fixed_in":["1.2.1+ds1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"cacti","fixed_in":["1.2.1+ds1-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"cacti","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.1+ds1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"cacti","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.1+ds1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"cacti","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.1+ds1-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"cacti","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.8b+dfsg-3","0.8.8b+dfsg-5","0.8.8b+dfsg-5ubuntu0.1","0.8.8b+dfsg-5ubuntu0.2","0.8.8b+dfsg-5ubuntu0.2+esm1","0.8.8b+dfsg-5ubuntu0.2+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"cacti","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.8f+ds1-2","0.8.8f+ds1-3","0.8.8f+ds1-4","0.8.8f+ds1-4ubuntu1","0.8.8f+ds1-4ubuntu2","0.8.8f+ds1-4ubuntu3","0.8.8f+ds1-4ubuntu4","0.8.8f+ds1-4ubuntu4.16.04","0.8.8f+ds1-4ubuntu4.16.04.1","0.8.8f+ds1-4ubuntu4.16.04.2","0.8.8f+ds1-4ubuntu4.16.04.2+esm1","0.8.8f+ds1-4ubuntu4.16.04.2+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"cacti","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.1.18+ds1-1","1.1.27+ds1-2","1.1.27+ds1-3","1.1.28+ds1-2","1.1.35+ds1-1","1.1.36+ds1-1","1.1.38+ds1-1","1.1.38+ds1-1ubuntu0.1~esm1","1.1.38+ds1-1ubuntu0.1~esm3","1.1.38+ds1-1ubuntu0.1~esm4"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"cacti","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.4+ds1-2ubuntu3","1.2.9+ds1-1ubuntu1","1.2.9+ds1-1ubuntu2","1.2.10+ds1-1ubuntu1","1.2.10+ds1-1ubuntu1+esm1","1.2.10+ds1-1ubuntu1.1","1.2.10+ds1-1ubuntu1.1+esm1","1.2.10+ds1-1ubuntu1.1+esm2"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"cacti","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.16+ds1-2ubuntu1","1.2.19+ds1-2ubuntu1","1.2.19+ds1-2ubuntu1+esm1","1.2.19+ds1-2ubuntu1.1","1.2.19+ds1-2ubuntu1.1+esm1","1.2.19+ds1-2ubuntu1.1+esm2"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"cacti","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.25+ds1-2","1.2.26+ds1-1","1.2.26+ds1-1ubuntu0.1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"cacti","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.28+ds1-4ubuntu1","1.2.30+ds1-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"cacti","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.30+ds1-1ubuntu2","1.2.30+ds1-1ubuntu3","1.2.31+ds1-3ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"cacti","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.30+ds1-1ubuntu1","1.2.30+ds1-1ubuntu2"]}],"products":[{"vendor":"cacti","product":"cacti"}],"references":[{"url":"https://www.cacti.net/info/changelog","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3816"},{"url":"https://github.com/advisories/GHSA-6gq5-766m-4c86"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-3816","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2021-3816","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-3816","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-3816","description":"Cacti 1.1.38 allows authenticated users with User Management permissions to inject arbitrary HTML in the group_prefix field during the creation of a new group via \"Copy\" method at user_group_admin.php.","status":"published","published":"2022-01-19T20:38:50Z","modified":"2024-08-03T17:09:09.541Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-27069","description":"Cacti 1.1.38 allows authenticated users with User Management permissions to inject arbitrary HTML in the group_prefix field during the 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user_group_admin.php.","status":"published","published":"2022-01-19T21:15:08.497Z","modified":"2026-06-17T04:05:49.693Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:03.821385Z"}],"osv":[{"id":"CVE-2021-3816","description":"Cacti 1.1.38 allows authenticated users with User Management permissions to inject arbitrary HTML in the group_prefix field during the creation of a new group via \"Copy\" method at user_group_admin.php.","status":"published","published":"2022-01-19T21:15:08.497Z","modified":"2026-10-24T10:30:58.569453411Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:20.843843Z"},{"id":"DEBIAN-CVE-2021-3816","description":"Cacti 1.1.38 allows authenticated users with User Management permissions to inject arbitrary HTML in the group_prefix field during the creation of a new group via \"Copy\" method at user_group_admin.php.","status":"published","published":"2022-01-19T21:15:08.497Z","modified":"2026-10-23T18:05:22.99098673Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:35.521549Z"},{"id":"UBUNTU-CVE-2021-3816","description":"Cacti 1.1.38 allows authenticated users with User Management permissions to inject arbitrary HTML in the group_prefix field during the creation of a new group via \"Copy\" method at user_group_admin.php.","status":"published","published":"2022-01-19T21:15:00Z","modified":"2026-10-17T12:57:13.966683473Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:28.526929Z"}]}}