Vulnerability · Published Jun 24, 2025 · Assigned by GitHub_M

CVE-2025-47943Gogs stored XSS in PDF renderer

Medium 6.3

In plain English

A medium-severity cross-site scripting in gogs from gogs. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.4%top 66.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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 The vulnerability is caused by the usage of a vulnerable and outdated component: pdfjs-1.4.20 under public/plugins/.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 packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Go	github.com/gogs/gogs	0.13.3-0.20250608224432-110117b2e5e5	GHSA-xh32-cx6c-cp4v
Go	gogs.io/gogs	0.13.3-0.20250608224432-110117b2e5e5	GHSA-xh32-cx6c-cp4v
Go	gogs.io/gogs	0.13.3-0.20250608224432-110117b2e5e5	GO-2025-3778

Affected products (as reported)

Vendor	Product	Versions
gogs	gogs	<= 0.14.0+dev

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N

References

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