CVE-2026-110103: fallo de gravedad media en mlogclub bbs-go
bbs-go through 4.4.6 Stored XSS via Image Upload Content-Type
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
13Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 5.1epss 0.2%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Productos afectados
mlogclub · bbs-goCVEs relacionadas — mlogclub bbs-go
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-111639HIGHbbs-go through 4.4.6 Account Takeover via Google One Tap LoginEPSS 0.5%CVE-2026-103396MEDIUMbbs-go through 4.4.6 Incorrect Authorization via /api/admin/user/synccountEPSS 0.3%CVE-2026-121452HIGHbbs-go through 4.4.6 Improper TLS Certificate Validation in SMTP Email ServiceEPSS 0.2%
Referencias
https://github.com/mlogclub/bbs-go/blob/v4.4.6/internal/handlers/api/upload_handlers.go#L36-L54https://github.com/mlogclub/bbs-go/blob/v4.4.6/internal/pkg/uploader/uploader.go#L90-L121https://github.com/mlogclub/bbs-go/commit/5bebf98bb9e0ac5162d4f8faf7a65fc0d496a362https://github.com/mlogclub/bbs-go/issues/305https://github.com/mlogclub/bbs-go/pull/306https://www.vulncheck.com/advisories/bbs-go-through-4.4.6-stored-xss-via-image-upload-content-type