CVE-2025-47943: Gogs stored XSS in PDF renderer

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-06-24 · updated 2026-06-17
Weakness: CWE-79

Description

Gogs is an open source self-hosted Git service. In application version 0.14.0+dev and prior, there is a stored cross-site scripting (XSS) vulnerability present in Gogs, which allows client-side Javascript code execution. The vulnerability is caused by the usage of a vulnerable and outdated component: pdfjs-1.4.20 under public/plugins/. This issue has been fixed for gogs.io/gogs in version 0.13.3.

Affected products

gogs: through 0.14.0+dev

References

https://github.com/gogs/gogs/commit/110117b2e5e5baa4809c819bec701e929d2d8d40
https://github.com/gogs/gogs/releases/tag/v0.13.3
https://github.com/gogs/gogs/security/advisories/GHSA-xh32-cx6c-cp4v
https://www.hacktivesecurity.com/blog/2025/07/15/cve-2025-47943-stored-xss-in-gogs-via-pdf
https://github.com/gogs/gogs/security/advisories/GHSA-xh32-cx6c-cp4v

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