CVE-2026-73320 — XenForo < 2.3.13 Unauthenticated Information Disclosure via Unfurl Endpoint
XenForo before 2.3.13 contains an unauthenticated information disclosure vulnerability that allows unauthenticated attackers to retrieve private unfurl records by supplying pred…
Published: 2026-09-08 · CVSS: 5.1 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7