Is CVE-2026-110103 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-110103?

CVE-2026-110103 has a CVSS v3 severity of MEDIUM (5.4).

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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.