VulnerabilityModified
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
HIGH 8.7EPSS 66.7%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 66.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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
- CVSS 3.1
- 8.7 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
- EPSS
- 66.75% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- gitlab/gitlab
- Source
- cve@gitlab.com
EPSS moved from 66.7% on 2 October 2026 to 66.7% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.