CVE-2020-13340

HighCVSS 8.7/10Last modified Jun 17, 2026

Description

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

Metrics

CVSS 3.1 8.7/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
GitLab	GitLab	>=12.4, <13.2.10; >=13.3, <13.3.7; >=13.4, <13.4.2

References

https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13340.jsonThird Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/233473Broken Link
https://hackerone.com/reports/950190Permissions Required, Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13340.jsonThird Party Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/233473Broken Link
https://hackerone.com/reports/950190Permissions Required, Third Party Advisory

Timeline

Published: Oct 8, 2020
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2020

CVE-2020-133414.9An issue has been discovered in GitLab affecting all versions prior to 13.2.10, 13.3.7 and 13.4.2. Insufficient permission check allows atta CVE-2020-133422.7An issue has been discovered in GitLab affecting versions prior to 13.2.10, 13.3.7 and 13.4.2: Lack of Rate Limiting at Re-Sending Confirmat CVE-2020-133438.8An issue has been discovered in GitLab affecting all versions starting from 11.2. Unauthorized Users Can View Custom Project Template CVE-2020-133444.4An issue has been discovered in GitLab affecting all versions prior to 13.2.10, 13.3.7 and 13.4.2. Sessions keys are stored in plain-text in CVE-2020-133455.4An issue has been discovered in GitLab affecting all versions starting from 10.8. Reflected XSS on Multiple Routes CVE-2020-133466.5Membership changes are not reflected in ToDo subscriptions in GitLab versions prior to 13.2.10, 13.3.7 and 13.4.2, allowing guest users to a CVE-2020-133479.1A command injection vulnerability was discovered in Gitlab runner versions prior to 13.2.4, 13.3.2 and 13.4.1. When the runner is configured CVE-2020-133485.7An issue has been discovered in GitLab EE affecting all versions starting from 10.2. Required CODEOWNERS approval could be bypassed by targe CVE-2020-133494.3An issue has been discovered in GitLab EE affecting all versions starting from 8.12. A regular expression related to a file path resulted in CVE-2020-13357.8<p>A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An CVE-2020-133504.3CSRF in runner administration page in all versions of GitLab CE/EE allows an attacker who's able to target GitLab instance administrators to CVE-2020-133516.5Insufficient permission checks in scheduled pipeline API in GitLab CE/EE 13.0+ allows an attacker to read variable names and values for sche