CVE-2020-13340
An issue has been discovered in GitLab affecting all versions prior to 13.2.10, 13.3.7 and 13.4.2...
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
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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
- Record
CVE-2020-13340- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Updated
- 2026-11-02
EUVDEUVD-2020-5600
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
- Record
EUVD-2020-5600- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2hgm-r8rh-g5xg No score
An issue has been discovered in GitLab affecting all versions prior to 13.2.10, 13.3.7 and 13.4.2...
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
- Record
GHSA-2hgm-r8rh-g5xg- Updated
- 2026-11-02
NVD
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
- Record
CVE-2020-13340- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
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
- Record
CVE-2020-13340- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-13340
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
- Record
UBUNTU-CVE-2020-13340- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Updated
- 2026-11-02
OSVBIT-gitlab-2020-13340 No score
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
- Record
BIT-gitlab-2020-13340- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-13340 is a high vulnerability (CVSS 8.7) in Gitlab, published October 8, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 66.7%, the 99th percentile. Fixed in gitlab 13.2.10.