{"id":"CVE-2021-3980","aliases":["GHSA-hx6g-q9v2-xh7v"],"url":"https://o3.security/vulnerability/CVE-2021-3980","summary":"Information exposure in elgg","details":"elgg is vulnerable to Exposure of Private Personal Information to an Unauthorized Actor. Forms in the view namespace 'forms/admin' were not protected by an AdminGatekeeper in case of AJAX requests to 'ajax/form/admin/'.","published":"2021-12-03T15:15:08.353Z","modified":"2026-08-07T17:02:42.259430Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":{"score":0.01547,"percentile":0.73798,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Packagist","name":"elgg/elgg","fixedVersion":"3.3.23"},{"ecosystem":"Packagist","name":"elgg/elgg","fixedVersion":"4.0.5"}],"fix":{"url":"https://github.com/elgg/elgg/commit/572d210e2392f1fdf47ff2f38665372a6535c126","label":"elgg/elgg@572d210"},"references":[{"type":"FIX","url":"https://github.com/elgg/elgg/commit/572d210e2392f1fdf47ff2f38665372a6535c126"},{"type":"EVIDENCE","url":"https://huntr.dev/bounties/1f43f11e-4bd8-451f-a244-dc9541cdc0ac"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3980"},{"type":"WEB","url":"https://github.com/Elgg/Elgg/pull/13791"},{"type":"PACKAGE","url":"https://github.com/Elgg/Elgg"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T17:02:42.259430Z"}}