What’s Vulnerable › Vulnerabilities

CVE-2021-28378

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 8.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-03-15 · updated 2026-06-17
• Weakness: CWE-79

Description

Gitea 1.12.x and 1.13.x before 1.13.4 allows XSS via certain issue data in some situations.

Affected products

• Gitea Open Source Git Server: from 1.12.0 through 1.12.6; from 1.13.0 before 1.13.4 — fixed in 1.13.4

How to fix

Upgrade to a fixed version: Gitea Open Source Git Server 1.13.4. Check the vendor advisory for mitigations.

References

• https://blog.gitea.io/2021/03/gitea-1.13.4-is-released/
• https://github.com/PandatiX/CVE-2021-28378
• https://github.com/go-gitea/gitea/pull/14898
• https://blog.gitea.io/2021/03/gitea-1.13.4-is-released/
• https://github.com/PandatiX/CVE-2021-28378
• https://github.com/go-gitea/gitea/pull/14898

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