What’s Vulnerable › Vulnerabilities

CVE-2020-13283

• Severity: medium (CVSS 5.4 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: 2020-08-13 · updated 2026-06-17
• Weakness: CWE-79

Description

For GitLab before 13.0.12, 13.1.6, 13.2.3 a cross-site scripting vulnerability exists in the issues list via milestone title.

Affected products

• GitLab: from 10.8.0 before 13.0.12; from 13.1.0 before 13.1.6; from 13.2.0 before 13.2.3 — fixed in 13.0.12, 13.1.6, 13.2.3

How to fix

Upgrade to a fixed version: GitLab 13.0.12, 13.1.6, 13.2.3. Check the vendor advisory for mitigations.

References

• https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13283.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/218448
• https://hackerone.com/reports/877065
• https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13283.json
• https://gitlab.com/gitlab-org/gitlab/-/issues/218448
• https://hackerone.com/reports/877065

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