{"id":"CVE-2023-2442","published":"2023-06-07T00:00:00Z","modified":"2025-01-07T16:29:51Z","title":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.11 before 15.11.7, all versions…","vendor":"GitLab","product":"GitLab","tier":"core","eol":null,"affectedVersions":[{"vendor":"GitLab","product":"GitLab","versions":[">=15.11, <15.11.7",">=16.0, <16.0.2"]}],"description":{"text":"An issue has been discovered in GitLab CE/EE affecting all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A specially crafted merge request could lead to a stored XSS on the client side which allows attackers to perform arbitrary actions on behalf of victims.","provenance":"source","from":"CVE.org"},"summary":{"text":"GitLab CE/EE contains a stored cross-site scripting flaw, classified as improper neutralization of input during web page generation, that affects versions from 15.11 before 15.11.7 and from 16.0 before 16.0.2. An attacker who submits a specially crafted merge request can have malicious script execute in the browser of a victim, letting it perform arbitrary actions on the victim's behalf; this requires the attacker to have low-privilege access to the platform and the victim to interact with the merge request.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:15:17Z"},"cvss":{"score":8.7,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.96058,"percentile":0.99876,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[{"id":"CWE-79","name":"Improper Neutralization of Input During Web Page Generation"}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/409346","tags":[]},{"url":"https://hackerone.com/reports/1965750","tags":[]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2023/CVE-2023-2442.json","tags":[]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2023-33927","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-33927","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2023-06-07","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2023-2442","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":26.1,"factors":[{"name":"In a KEV catalog","points":0.0,"detail":"not listed"},{"name":"Recent KEV listing","points":0.0,"detail":"not listed"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.98,"detail":"percentile 0.9988"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":0.0,"detail":"0 pulses"},{"name":"CVSS severity","points":6.09,"detail":"base score 8.7"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}