Medium severity5.4NVD Advisory· Published Oct 13, 2026
CVE-2026-110103
CVE-2026-110103
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.
Affected products
1Patches
Vulnerability mechanics
References
6- github.com/mlogclub/bbs-go/blob/v4.4.6/internal/handlers/api/upload_handlers.gonvd
- github.com/mlogclub/bbs-go/blob/v4.4.6/internal/pkg/uploader/uploader.gonvd
- github.com/mlogclub/bbs-go/commit/5bebf98bb9e0ac5162d4f8faf7a65fc0d496a362nvd
- github.com/mlogclub/bbs-go/issues/305nvd
- github.com/mlogclub/bbs-go/pull/306nvd
- www.vulncheck.com/advisories/bbs-go-through-4.4.6-stored-xss-via-image-upload-content-typenvd
News mentions
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