CVE-2026-28559: Gvectors Wpforo Forum

Medium severity, CVSS 5.3. EPSS: 0.5% chance of exploitation in the next 30 days.

wpForo Forum 2.4.14 contains an information disclosure vulnerability that allows unauthenticated users to retrieve private and unapproved forum topics via the global RSS feed endpoint. Attackers request the RSS feed without a forum ID parameter, bypassing the privacy and status WHERE clauses that are only applied when a specific forum ID is present in the query.

Affected products

• Gvectors Wpforo Forum: from 2.4.0, before 2.4.16 (fixed in 2.4.16)

Published 2026-02-28. Last modified 2026-06-17.