{"id":"CVE-2013-4891","aliases":["EUVD-2013-4736","GHSA-mq3g-6f5h-64x7"],"status":"published","title":"The xss_clean function in CodeIgniter before 2.1.4 might allow remote attackers to bypass an...","description":"The xss_clean function in CodeIgniter before 2.1.4 might allow remote attackers to bypass an intended protection mechanism and conduct cross-site scripting (XSS) attacks via an unclosed HTML tag.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01425,"percentile":0.73107,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2018-02-21T16:00:00Z","modified":"2026-06-16T23:58:04Z","products":[{"vendor":"codeigniter","product":"codeigniter"}],"references":[{"url":"https://nealpoole.com/blog/2013/07/codeigniter-21-xss-clean-filter-bypass/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://github.com/bcit-ci/CodeIgniter/issues/4020","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Third Party Advisory"]},{"url":"https://www.codeigniter.com/userguide2/changelog.html","tags":["x_refsource_CONFIRM","x_transferred","Release Notes"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4891"},{"url":"https://github.com/advisories/GHSA-mq3g-6f5h-64x7"}],"sources":{"cve":[{"id":"CVE-2013-4891","description":"The xss_clean function in CodeIgniter before 2.1.4 might allow remote attackers to bypass an intended protection mechanism and conduct cross-site scripting (XSS) attacks via an unclosed HTML tag.","status":"published","published":"2018-02-21T16:00:00Z","modified":"2024-08-06T16:59:41.043Z","updated_at":"2026-11-02T14:34:58.193873Z"}],"euvd":[{"id":"EUVD-2013-4736","description":"The xss_clean function in CodeIgniter before 2.1.4 might allow remote attackers to bypass an intended protection mechanism and conduct cross-site scripting (XSS) attacks via an unclosed HTML tag.","status":"published","published":"2018-02-21T16:00:00Z","modified":"2024-08-06T16:59:41Z","updated_at":"2026-11-03T01:56:30.109549Z"}],"ghsa":[{"id":"GHSA-mq3g-6f5h-64x7","title":"The xss_clean function in CodeIgniter before 2.1.4 might allow remote attackers to bypass an...","description":"The xss_clean function in CodeIgniter before 2.1.4 might allow remote attackers to bypass an intended protection mechanism and conduct cross-site scripting (XSS) attacks via an unclosed HTML tag.","status":"published","published":"2022-05-14T03:39:19Z","modified":"2023-02-02T05:08:17Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:52:42.475291Z"}],"nvd":[{"id":"CVE-2013-4891","description":"The xss_clean function in CodeIgniter before 2.1.4 might allow remote attackers to bypass an intended protection mechanism and conduct cross-site scripting (XSS) attacks via an unclosed HTML tag.","status":"published","published":"2018-02-21T16:29:00.19Z","modified":"2026-06-16T23:58:04.373Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:02:52.545039Z"}]}}