CVE-2026-73320: fallo de gravedad media en XenForo
XenForo < 2.3.13 Unauthenticated Information Disclosure via Unfurl Endpoint
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
33Vexday Risk Score
Sin señal de explotación. Ella tiene prueba de concepto pública.
ssvc Attendcvss 5.1epss 0.4%
XenForo before 2.3.13 contains an unauthenticated information disclosure vulnerability that allows unauthenticated attackers to retrieve private unfurl records by supplying predictable auto-increment primary key IDs to the unfurl endpoint. Attackers can enumerate or predict result IDs and query the endpoint without any session, user, or visibility checks to obtain rendered preview HTML, original URLs, and query strings from private conversations and other restricted content.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Productos afectados
XenForo · XenForoPoCs públicas encontradas — 1
cve_referencegithub.com/BomboBombone/CVE-2026-73320★ 0⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
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Referencias
https://bombobombone.github.io/posts/cve-2026-73320/https://github.com/BomboBombone/CVE-2026-73320https://www.vulncheck.com/advisories/xenforo-unauthenticated-information-disclosure-via-unfurl-endpointhttps://xenforo.com/community/threads/security-fixes-released-for-all-xenforo-and-media-gallery-versions-2-2-0-2-3-12.239856/https://xenforo.com/community/threads/xenforo-2-3-13-and-add-ons-released-includes-security-fixes.239857/