What’s Vulnerable › Vulnerabilities

CVE-2020-13337

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-02 · updated 2026-06-17
• Weakness: CWE-79

Description

An issue has been discovered in GitLab affecting versions from 12.10 to 12.10.12 that allowed for a stored XSS payload to be added as a group name.

Affected products

• GitLab: from 12.10.0 before 12.10.12 — fixed in 12.10.12

How to fix

Upgrade to a fixed version: GitLab 12.10.12. Check the vendor advisory for mitigations.

References

• https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13337.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/199049
• https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13337.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/199049

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