{"id":"CVE-2026-13320","state":"PUBLISHED","title":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab","description":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.7 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input.","publishedAt":"2026-07-08T20:46:13.854Z","updatedAt":"2026-07-09T13:41:48.373Z","severity":{"score":7.3,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N","source":"GitLab"},"assigner":"GitLab","products":["GitLab GitLab"],"affected":[{"vendor":"GitLab","product":"GitLab","defaultStatus":"unaffected","versions":[{"version":"15.7","status":"affected","lessThan":"18.11.7","versionType":"semver"},{"version":"19.0","status":"affected","lessThan":"19.0.4","versionType":"semver"},{"version":"19.1","status":"affected","lessThan":"19.1.2","versionType":"semver"}],"repo":"git://git@gitlab.com:gitlab-org/gitlab.git","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"]}],"references":["https://gitlab.com/gitlab-org/gitlab/-/work_items/604063","https://hackerone.com/reports/3816917","https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-2-released/"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/13xxx/CVE-2026-13320.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-13320","state":"PUBLISHED","datePublished":"2026-07-08T20:46:13.854Z","dateUpdated":"2026-07-09T13:41:48.373Z","assignerShortName":"GitLab","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateReserved":"2026-06-25T08:13:57.255Z"},"containers":{"cna":{"title":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in GitLab","descriptions":[{"lang":"en","value":"GitLab has remediated an issue in GitLab CE/EE affecting all versions from 15.7 before 18.11.7, 19.0 before 19.0.4, and 19.1 before 19.1.2 that under certain conditions could have allowed an authenticated user to execute arbitrary scripts in another user's browser session due to improper sanitization of user-supplied input."}],"affected":[{"vendor":"GitLab","product":"GitLab","defaultStatus":"unaffected","versions":[{"version":"15.7","status":"affected","lessThan":"18.11.7","versionType":"semver"},{"version":"19.0","status":"affected","lessThan":"19.0.4","versionType":"semver"},{"version":"19.1","status":"affected","lessThan":"19.1.2","versionType":"semver"}],"repo":"git://git@gitlab.com:gitlab-org/gitlab.git","cpes":["cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*"]}],"references":[{"url":"https://gitlab.com/gitlab-org/gitlab/-/work_items/604063"},{"url":"https://hackerone.com/reports/3816917","name":"HackerOne Bug Bounty Report #3816917","tags":["technical-description","exploit","permissions-required"]},{"url":"https://docs.gitlab.com/releases/patches/patch-release-gitlab-19-1-2-released/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseScore":7.3,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitLab","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateUpdated":"2026-07-08T20:46:13.854Z"},"solutions":[{"lang":"en","value":"Upgrade to versions 18.11.7, 19.0.4, 19.1.2 or above."}],"credits":[{"lang":"en","value":"Thanks [youzslan](https://hackerone.com/youzslan) and [a_m_a_m](https://hackerone.com/a_m_a_m) for reporting this vulnerability through our HackerOne bug bounty program","type":"finder"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-09T13:41:38.644164Z","id":"CVE-2026-13320","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-09T13:41:48.373Z"}}]}}}