CVE-2026-77143 — Broken Access Control in extension "Forum" (pforum)
The frontend topic editing flow does not verify on the server side that the requesting visitor owns the topic being modified. As a result, a visitor who knows the identifier of …
Published: 2026-08-25 · CVSS: 8.8 · CVSS 4.0
The frontend topic editing flow does not verify on the server side that the requesting visitor owns the topic being modified. As a result, a visitor who knows the identifier of a topic from the public forum can submit a modified update request for that topic directly and overwrite its content, without the application confirming ownership. Topic identifiers are visible in the public forum listing, and exploitation requires no privileged access or non-default configuration.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7