{"id":"GHSA-vm9c-39jx-q45w","summary":"Moodle vulnerable to Exposure of Sensitive Information to an Unauthorized Actor","details":"lib/filelib.php in Moodle through 2.2.11, 2.3.x before 2.3.10, 2.4.x before 2.4.7, and 2.5.x before 2.5.3 does not send \"Cache-Control: private\" HTTP headers, which allows remote attackers to obtain sensitive information by requesting a file that had been previously retrieved by a caching proxy server.","aliases":["CVE-2013-4522"],"modified":"2025-05-08T18:27:29.561311Z","published":"2022-05-13T01:12:54Z","database_specific":{"cwe_ids":["CWE-200"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2025-05-08T17:35:23Z","nvd_published_at":"2013-11-26T05:25:00Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2013-4522"},{"type":"WEB","url":"https://github.com/moodle/moodle/commit/d0041fb110201d3dc1a4546eca8b6108b440d1c5"},{"type":"PACKAGE","url":"https://github.com/moodle/moodle"},{"type":"WEB","url":"https://moodle.org/mod/forum/discuss.php?d=244479"},{"type":"WEB","url":"http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-38743"},{"type":"WEB","url":"http://openwall.com/lists/oss-security/2013/11/25/1"}],"affected":[{"package":{"name":"moodle/moodle","ecosystem":"Packagist","purl":"pkg:composer/moodle/moodle"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.3.10"}]}],"versions":["v2.3.4","v2.3.5","v2.3.6","v2.3.7","v2.3.8","v2.3.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-vm9c-39jx-q45w/GHSA-vm9c-39jx-q45w.json"}},{"package":{"name":"moodle/moodle","ecosystem":"Packagist","purl":"pkg:composer/moodle/moodle"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.4.0-beta"},{"fixed":"2.4.7"}]}],"versions":["v2.4.0","v2.4.0-rc1","v2.4.1","v2.4.2","v2.4.3","v2.4.4","v2.4.5","v2.4.6"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-vm9c-39jx-q45w/GHSA-vm9c-39jx-q45w.json"}},{"package":{"name":"moodle/moodle","ecosystem":"Packagist","purl":"pkg:composer/moodle/moodle"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.5.0-beta"},{"fixed":"2.5.3"}]}],"versions":["v2.5.0","v2.5.0-beta","v2.5.0-rc1","v2.5.1","v2.5.2"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/05/GHSA-vm9c-39jx-q45w/GHSA-vm9c-39jx-q45w.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}]}