{"id":"CVE-2011-4282","aliases":["EUVD-2011-4222","GHSA-6xqg-f34f-5fjx"],"status":"published","title":"Moodle vulnerable to Cross-site Scripting","description":"Multiple cross-site scripting (XSS) vulnerabilities in the course-tags functionality in tag/coursetags_more.php in Moodle 2.0.x before 2.0.2 allow remote attackers to inject arbitrary web script or HTML via the (1) sort or (2) show parameter.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01832,"percentile":0.79039,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2012-07-16T10:00:00Z","modified":"2026-06-16T23:34:41Z","fixes":[{"ecosystem":"Packagist","package":"moodle/moodle","fixed_in":["2.0.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.0.2"}]}]},{"source":"osv","ecosystem":"Packagist","package":"moodle/moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.0.2"}]}]}],"products":[{"vendor":"moodle","product":"moodle"}],"references":[{"url":"http://openwall.com/lists/oss-security/2011/11/14/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"http://moodle.org/mod/forum/discuss.php?d=170008","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web"]},{"url":"http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=73de6fa06f6923278950a445bd69b3fbc1e518d2","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4282","tags":["advisory"]},{"url":"http://git.moodle.org/gw?p=moodle.git;a=commit;h=73de6fa06f6923278950a445bd69b3fbc1e518d2","tags":["web"]},{"url":"https://github.com/advisories/GHSA-6xqg-f34f-5fjx"},{"url":"http://git.moodle.org","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2011-4282","description":"Multiple cross-site scripting (XSS) vulnerabilities in the course-tags functionality in tag/coursetags_more.php in Moodle 2.0.x before 2.0.2 allow remote attackers to inject arbitrary web script or HTML via the (1) sort or (2) show parameter.","status":"published","published":"2012-07-16T10:00:00Z","modified":"2024-08-07T00:01:51.516Z","updated_at":"2026-11-02T14:35:37.671707Z"}],"euvd":[{"id":"EUVD-2011-4222","description":"Multiple cross-site scripting (XSS) vulnerabilities in the course-tags functionality in tag/coursetags_more.php in Moodle 2.0.x before 2.0.2 allow remote attackers to inject arbitrary web script or HTML via the (1) sort or (2) show parameter.","status":"published","published":"2012-07-16T10:00:00Z","modified":"2024-08-07T00:01:51Z","updated_at":"2026-11-03T01:39:49.441333Z"}],"ghsa":[{"id":"GHSA-6xqg-f34f-5fjx","title":"Moodle vulnerable to Cross-site Scripting","description":"Multiple cross-site scripting (XSS) vulnerabilities in the course-tags functionality in tag/coursetags_more.php in Moodle 2.0.x before 2.0.2 allow remote attackers to inject arbitrary web script or HTML via the (1) sort or (2) show parameter.","status":"published","published":"2022-05-13T01:13:17Z","modified":"2025-04-12T02:46:54Z","cvss":[{"version":"4.0","score":1.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U","level":"low"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:38:39.044439Z"}],"nvd":[{"id":"CVE-2011-4282","description":"Multiple cross-site scripting (XSS) vulnerabilities in the course-tags functionality in tag/coursetags_more.php in Moodle 2.0.x before 2.0.2 allow remote attackers to inject arbitrary web script or HTML via the (1) sort or (2) show parameter.","status":"published","published":"2012-07-16T10:28:36.423Z","modified":"2026-06-16T23:34:41.983Z","cvss":[{"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":"2026-11-02T14:02:12.272092Z"}],"osv":[{"id":"GHSA-6xqg-f34f-5fjx","title":"Moodle vulnerable to Cross-site Scripting","description":"Multiple cross-site scripting (XSS) vulnerabilities in the course-tags functionality in tag/coursetags_more.php in Moodle 2.0.x before 2.0.2 allow remote attackers to inject arbitrary web script or HTML via the (1) sort or (2) show parameter.","status":"published","published":"2022-05-13T01:13:17Z","modified":"2025-04-12T03:27:06.262911Z","cvss":[{"version":"4.0","score":1.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U","level":"low"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:40.308826Z"}]}}