{"id":"CVE-2020-13340","published":"2020-10-08T13:46:33Z","modified":"2024-08-04T12:18:17Z","title":"An issue has been discovered in GitLab affecting all versions prior to 13.2.10, 13.3.7 and 13.4.2: Stored XSS in CI…","vendor":"GitLab","product":"GitLab","tier":"core","eol":null,"affectedVersions":[{"vendor":"GitLab","product":"GitLab","versions":[">=12.4, <13.2.10",">=13.3, <13.3.7",">=13.4, <13.4.2"]}],"description":{"text":"An issue has been discovered in GitLab affecting all versions prior to 13.2.10, 13.3.7 and 13.4.2: Stored XSS in CI Job Log","provenance":"source","from":"CVE.org"},"summary":{"text":"A stored cross-site scripting flaw exists in the CI job log component of GitLab. An attacker with low-privilege access who can get a user to interact with a crafted job log over the network can plant script that executes in the victim's browser, affecting confidentiality and integrity.","provenance":"ai","model":"claude-haiku-5-5","generatedAt":"2026-10-29T07:15:53Z"},"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":0.66748,"percentile":0.99288,"date":"2026-10-28","provenance":"source"},"kev":null,"vulncheckKev":null,"exploited":false,"otx":{"pulseCount":0,"pulses":[],"provenance":"machine"},"cwes":[],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/issues/233473","tags":["x_refsource_MISC"]},{"url":"https://hackerone.com/reports/950190","tags":["x_refsource_MISC"]},{"url":"https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13340.json","tags":["x_refsource_CONFIRM"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2020-5600","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-5600","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2020-10-08","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2020-13340","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":25.9,"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":19.86,"detail":"percentile 0.9929"},{"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"}]}}