Cross-site Request Forgery (CSRF) Affecting github.com/gorilla/csrf package, versions >=0.0.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published31 Aug 2025
- disclosed29 Aug 2025
- creditFilippo Valsorda
Introduced: 29 Aug 2025
NewCVE-2025-47909 (opens in a new tab)How to fix?
There is no fixed version for github.com/gorilla/csrf.
Overview
Affected versions of this package are vulnerable to Cross-site Request Forgery (CSRF) due to improper validation of the TrustedOrigins header which was introduced by the fix for CVE-2025-24358. An attacker can perform unauthorized actions on behalf of authenticated users by submitting cross-origin requests from an allowed origin, exploiting the fact that both HTTP and HTTPS origins are permitted when only the host is checked.
Note:
Applications should migrate to net/http.CrossOriginProtection, which was introduced in Go 1.25.
If that's not feasible, a backport module is available at filippo.io/csrf. A drop-in replacement for the github.com/gorilla/csrf API can also be found at filippo.io/csrf/gorilla.