{"cve":"CVE-2020-13262","nvd":{"published":"2020-06-19T22:15:12.647","modified":"2026-06-17T02:52:48.800","status":"Modified","description":"Client-Side code injection through Mermaid markup in GitLab CE/EE 12.9 and later through 13.0.1 allows a specially crafted Mermaid payload to PUT requests on behalf of other users via clicking on a link","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-74"],"references":["https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13262.json","https://gitlab.com/gitlab-org/gitlab/-/issues/211949","https://hackerone.com/reports/824689","https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13262.json","https://gitlab.com/gitlab-org/gitlab/-/issues/211949"],"products":["gitlab:gitlab"],"source":"nvd","synced_at":"2026-10-19T21:05:42.039641217+00:00"},"epss":{"cve":"CVE-2020-13262","score":0.00871,"percentile":0.58848,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}