Vulnerability in mlogclub bbs-go

[ Description ]Official description

bbs-go through 4.4.6 contains a stored cross-site scripting vulnerability that allows authenticated users to upload HTML or SVG files by spoofing the multipart Content-Type in POST /api/upload. Attackers can upload script-bearing documents served inline from /res and send their URLs to administrators, executing script on the forum's origin.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ References ]References

• github.com/mlogclub/bbs-go/blob/v4.4.6/internal/handlers/api/upload_handlers.go
• github.com/mlogclub/bbs-go/blob/v4.4.6/internal/pkg/uploader/uploader.go
• github.com/mlogclub/bbs-go/commit/5bebf98bb9e0ac5162d4f8faf7a65fc0d496a362
• github.com/mlogclub/bbs-go/issues/305
• github.com/mlogclub/bbs-go/pull/306
• www.vulncheck.com/advisories/bbs-go-through-4.4.6-stored-xss-via-image-upload-content-type