CVE-2026-110103 (GCVE-0-2026-110103)
Vulnerability from cvelistv5 – Published: 2026-10-13 16:53 – Updated: 2026-10-14 15:59
VLAI
EPSS
VEX
Title
bbs-go through 4.4.6 Stored XSS via Image Upload Content-Type
Summary
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.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 14:50 UTC
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://github.com/mlogclub/bbs-go/issues/305 | issue-trackingtechnical-description |
| https://github.com/mlogclub/bbs-go/blob/v4.4.6/in… | technical-description |
| https://github.com/mlogclub/bbs-go/blob/v4.4.6/in… | technical-description |
| https://github.com/mlogclub/bbs-go/pull/306 | patchissue-tracking |
| https://github.com/mlogclub/bbs-go/commit/5bebf98… | patch |
| https://www.vulncheck.com/advisories/bbs-go-throu… | third-party-advisory |
Impacted products
Date Public
2026-10-08 00:00
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