{"id":"CVE-2021-4018","aliases":["GHSA-5fh3-25xr-g85h"],"url":"https://o3.security/vulnerability/CVE-2021-4018","summary":"snipe-it is vulnerable to Cross-site Scripting","details":"snipe-it is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","published":"2021-12-01T10:15:07.730Z","modified":"2026-08-27T08:39:42.076280Z","cvss":{"score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},"epss":{"score":0.00635,"percentile":0.47539,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Packagist","name":"snipe/snipe-it","fixedVersion":"5.3.3"}],"fix":{"url":"https://github.com/snipe/snipe-it/commit/ff81e6d5366c2cfb15618793ad919ae4cbb3ac57","label":"snipe/snipe-it@ff81e6d"},"references":[{"type":"FIX","url":"https://github.com/snipe/snipe-it/commit/ff81e6d5366c2cfb15618793ad919ae4cbb3ac57"},{"type":"FIX","url":"https://huntr.dev/bounties/c14395f6-bf0d-4b06-b4d1-b509d8a99b54"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-27T08:39:42.076280Z"}}