{"id":"CVE-2011-4290","aliases":["DSA-2262-1","EUVD-2011-4229","GHSA-3jfw-v39g-268j"],"status":"published","title":"Multiple cross-site scripting (XSS) vulnerabilities in lib/weblib.php in Moodle 1.9.x before 1.9...","description":"Multiple cross-site scripting (XSS) vulnerabilities in lib/weblib.php in Moodle 1.9.x before 1.9.12 allow remote attackers to inject arbitrary web script or HTML via vectors related to URL encoding.","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":"2026-11-07","score":0.01187,"percentile":0.6806,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2011-06-16T00:00:00Z","modified":"2026-06-16T23:34:42Z","affected":[{"source":"osv","ecosystem":"Debian:6.0","package":"moodle","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.9.9.dfsg2-2.1+squeeze1"}]}],"versions":["1.9.9.dfsg2-2.1"],"bundled":6}],"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"]},{"url":"http://git.moodle.org/gw?p=moodle.git%3Ba=commit%3Bh=5a3010310bff0b3946804a72ca2d6bc166a0028f","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://moodle.org/mod/forum/discuss.php?d=175592","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4290"},{"url":"http://git.moodle.org/gw?p=moodle.git;a=commit;h=5a3010310bff0b3946804a72ca2d6bc166a0028f"},{"url":"https://github.com/advisories/GHSA-3jfw-v39g-268j"}],"sources":{"cve":[{"id":"CVE-2011-4290","description":"Multiple cross-site scripting (XSS) vulnerabilities in lib/weblib.php in Moodle 1.9.x before 1.9.12 allow remote attackers to inject arbitrary web script or HTML via vectors related to URL encoding.","status":"published","published":"2012-07-16T10:00:00Z","modified":"2024-08-07T00:01:51.571Z","updated_at":"2026-11-02T14:35:37.671707Z"}],"euvd":[{"id":"EUVD-2011-4229","description":"Multiple cross-site scripting (XSS) vulnerabilities in lib/weblib.php in Moodle 1.9.x before 1.9.12 allow remote attackers to inject arbitrary web script or HTML via vectors related to URL encoding.","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-3jfw-v39g-268j","title":"Multiple cross-site scripting (XSS) vulnerabilities in lib/weblib.php in Moodle 1.9.x before 1.9...","description":"Multiple cross-site scripting (XSS) vulnerabilities in lib/weblib.php in Moodle 1.9.x before 1.9.12 allow remote attackers to inject arbitrary web script or HTML via vectors related to URL encoding.","status":"published","published":"2022-05-13T01:13:09Z","modified":"2023-02-13T06:32:09Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:54:06.501947Z"}],"nvd":[{"id":"CVE-2011-4290","description":"Multiple cross-site scripting (XSS) vulnerabilities in lib/weblib.php in Moodle 1.9.x before 1.9.12 allow remote attackers to inject arbitrary web script or HTML via vectors related to URL encoding.","status":"published","published":"2012-07-16T10:28:36.877Z","modified":"2026-06-16T23:34:42.8Z","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":"DSA-2262-1","title":"moodle - several","status":"published","published":"2011-06-16T00:00:00Z","modified":"2026-03-09T01:20:01.497922Z","updated_at":"2026-11-02T15:46:15.108335Z"}]}}