CVE-2021-28378 json
Cross-site Scripting in Gitea
published 2021-03-15 5 y ago modified 2026-09-08 2 mo ago also BIT-gitea-2021-28378 , EUVD-2021-2059 , GHSA-g95p-88p4-76cm , GO-2022-0832
- cvss
- 3.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 8.8%
- EPSS 8.8% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known
Summary
Gitea 1.12.x and 1.13.x before 1.13.4 allows XSS via certain issue data in some situations.
Patch / fix
- go code.gitea.io/gitea 1.13.4
- bitnami gitea 1.12.7, 1.13.4
- gitea gitea 1.13.4
- gitea Alpine 3.24, Alpine 3.23, Alpine 3.22 +8 more 1.13.4-r0
alpine advisories ALPINE-CVE-2021-28378
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- gitea Arch Linux 1.13.4-1
arch linux advisories AVG-1689
- github.com/go-gitea/gitea#14898 pull request
- github.com/go-gitea/gitea#14899 pull request
Exploit prediction
8.76% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/PandatiX/CVE-2021-28378 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.7 | CVSS:3.1/AC:H/AV:N/A:N/C:L/I:L/PR:L/S:U/UI:R |
| GitHub | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 3.7 | CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N |
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
| OSV | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | code.gitea.io/gitea | <1.13.4 |
1.13.4 |
| bitnami | gitea | >=1.12.0, <1.12.7 >=1.13.0, <1.13.4 |
1.12.7 1.13.4 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/go-gitea/gitea/pull/14898
web, patch, third-party-advisory, advisory
-
github.com
/go-gitea/gitea/pull/14899
web
-
github.com
/PandatiX/CVE-2021-28378
web, exploit, third-party-advisory, advisory
-
blog.gitea.io
/2021/03/gitea-1.13.4-is-released/
release-notes, vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-28378
advisory, web
-
blog.gitea.io
/2021/03/gitea-1.13.4-is-released
web
-
github.com
/go-gitea/gitea
package
-
github.com
/advisories/GHSA-g95p-88p4-76cm
advisory
Sources
- CVE List CVE-2021-28378
- GitHub Advisory GHSA-g95p-88p4-76cm
- NVD CVE-2021-28378
- OSV BIT-gitea-2021-28378
- OSV GO-2022-0832
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.