{"id":"CVE-2021-26925","aliases":["BIT-roundcube-2021-26925","DEBIAN-CVE-2021-26925","EUVD-2021-13707","GHSA-xw9h-8vfr-ppf5","MGASA-2021-0130","UBUNTU-CVE-2021-26925"],"status":"published","title":"Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences...","description":"Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.","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":"2026-11-12","score":0.01018,"percentile":0.6381,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2021-02-09T08:53:14Z","modified":"2026-10-23T18:03:25Z","fixes":[{"ecosystem":"Bitnami","package":"roundcube","fixed_in":["1.4.11"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"roundcube","fixed_in":["1.4.11+dfsg.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"roundcube","fixed_in":["1.4.11+dfsg.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"roundcube","fixed_in":["1.4.11+dfsg.1-1"],"sources":["osv"]},{"ecosystem":"Mageia:7","package":"roundcubemail","fixed_in":["1.4.11-1.mga7"],"sources":["osv"]},{"ecosystem":"Ubuntu:22.04:LTS","package":"roundcube","fixed_in":["1.5.0+dfsg.1-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"roundcube","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.4.11"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"roundcube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.11+dfsg.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"roundcube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.11+dfsg.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"roundcube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.11+dfsg.1-1"}]}]},{"source":"osv","ecosystem":"Mageia:7","package":"roundcubemail","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.4.11-1.mga7"}]}]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"roundcube","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.5.0+dfsg.1-2"}]}],"versions":["1.4.11+dfsg.1-4"]}],"products":[{"vendor":"fedoraproject","product":"fedora"},{"vendor":"roundcube","product":"webmail"}],"references":[{"url":"https://roundcube.net/news/2021/02/08/security-update-1.4.11","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory","web","advisory","report"]},{"url":"https://github.com/roundcube/roundcubemail/commit/9dc276d5f26042db02754fa1bac6fbd683c6d596","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","web","fix","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5QPAMYM2DQODSCQIAVNFJR2ETG7WMJOD/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q752JPOHTR6H72FK3EIPJZ5O24Z7RGLM/","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26925"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5QPAMYM2DQODSCQIAVNFJR2ETG7WMJOD/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Q752JPOHTR6H72FK3EIPJZ5O24Z7RGLM/"},{"url":"https://github.com/advisories/GHSA-xw9h-8vfr-ppf5"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-26925","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2021-0130.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=28387","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2021-26925","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-26925","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2021-26925","description":"Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.","status":"published","published":"2021-02-09T08:53:14Z","modified":"2024-08-03T20:33:41.502Z","updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-13707","description":"Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.","status":"published","published":"2021-02-09T08:53:14Z","modified":"2024-08-03T20:33:41Z","updated_at":"2026-11-03T03:24:50.84326Z"}],"ghsa":[{"id":"GHSA-xw9h-8vfr-ppf5","title":"Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences...","description":"Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.","status":"published","published":"2022-05-24T17:41:39Z","modified":"2023-01-29T05:05:39Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:45:50.827495Z"}],"nvd":[{"id":"CVE-2021-26925","description":"Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.","status":"published","published":"2021-02-09T09:15:13.617Z","modified":"2026-06-17T03:44:01.147Z","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":"2026-11-02T14:06:49.660551Z"}],"osv":[{"id":"CVE-2021-26925","description":"Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.","status":"published","published":"2021-02-09T09:15:13.617Z","modified":"2026-10-20T10:54:34.872579057Z","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":"2026-11-02T15:44:18.778776Z"},{"id":"DEBIAN-CVE-2021-26925","description":"Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.","status":"published","published":"2021-02-09T09:15:13.617Z","modified":"2026-10-23T18:03:25.375469934Z","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":"2026-11-02T15:45:34.637046Z"},{"id":"UBUNTU-CVE-2021-26925","description":"Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.","status":"published","published":"2021-02-09T09:15:00Z","modified":"2025-07-16T07:42:26.014466Z","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":"2026-11-02T15:54:26.779273Z"},{"id":"BIT-roundcube-2021-26925","description":"Roundcube before 1.4.11 allows XSS via crafted Cascading Style Sheets (CSS) token sequences during HTML email rendering.","status":"published","published":"2024-03-06T11:04:45.998Z","modified":"2024-03-06T11:25:28.861Z","updated_at":"2026-11-02T15:28:35.111822Z"},{"id":"MGASA-2021-0130","title":"Updated roundcubemail package fixes security vulnerability","description":"This update fixes cross-site scripting (XSS) via HTML messages with\nmalicious CSS content (CVE-2021-26925).\n","status":"published","published":"2021-03-12T01:25:47Z","modified":"2026-04-16T04:42:39.537741657Z","updated_at":"2026-11-02T15:49:41.509337Z"}]}}