CVE-2021-28378

LOWNVD 3.73.7—

3.7

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

CVSS v3: 3.7
EG Score: 3.7(medium)
EPSS: 94.2%
KEV: Not listed

Published

March 15, 2021

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://blog.gitea.io/2021/03/gitea-1.13.4-is-released/
cve@mitrehttps://github.com/PandatiX/CVE-2021-28378
cve@mitrehttps://github.com/go-gitea/gitea/pull/14898
af854a3a-2127-422b-91ae-364da2661108https://blog.gitea.io/2021/03/gitea-1.13.4-is-released/
af854a3a-2127-422b-91ae-364da2661108https://github.com/PandatiX/CVE-2021-28378
af854a3a-2127-422b-91ae-364da2661108https://github.com/go-gitea/gitea/pull/14898

Affected Packages

(1 across 1 ecosystem)

Go(1)

Package	Vulnerable range	Fixed in	Dependents
code.gitea.io/gitea	—	1.13.4	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 6× in last 7d / 6× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 19:47 UTCEG score recompute
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2021-28378?

CVE-2021-28378 is a low vulnerability published on March 15, 2021. Gitea 1.12.x and 1.13.x before 1.13.4 allows XSS via certain issue data in some situations.

When was CVE-2021-28378 disclosed?

CVE-2021-28378 was first published in the National Vulnerability Database on March 15, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-28378 actively exploited?

CVE-2021-28378 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-28378?

CVE-2021-28378 has a CVSS v3 base score of 3.7 (NVD).

How do I remediate CVE-2021-28378?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-28378, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-28378

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