Weakness
Gitea versions up to and including 1.25.4 allow redirect bypasses through raw or percent-encoded backslashes in redirect_to values.
References
- https://blog.gitea.com/release-of-1.25.5/
- https://github.com/go-gitea/gitea/pull/36660
- https://github.com/go-gitea/gitea/pull/36716
- https://github.com/go-gitea/gitea/releases/tag/v1.25.5
- https://github.com/go-gitea/gitea/security/advisories/GHSA-j5r2-4c8j-xc3m
- https://github.com/go-gitea/gitea/security/advisories/GHSA-j5r2-4c8j-xc3m
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