CVE-2026-28555

wpForo Forum 2.4.14 Missing Authorization via Topic Close AJAX Handler

CVSS 5.3 MEDIUMEPSS 0.3%CWE-862

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

28 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

wpForo Forum 2.4.14 contains a missing authorization vulnerability that allows authenticated subscribers to close or reopen any forum topic via the wpforo_close_ajax handler. Attackers submit a valid nonce with an arbitrary topic ID to bypass the moderator permission requirement and disrupt forum discussions.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Affected products

gVectors Team · wpForo Forum

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References

https://wordpress.org/plugins/wpforo/https://wordpress.org/plugins/wpforo/#developers https://www.vulncheck.com/advisories/wpforo-forum-missing-authorization-via-topic-close-ajax-handler