CVE-2026-28555
5.3
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
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| gVectors Team | wpForo Forum | 2.4 < 2.4.16 | affected |
| gVectors Team | wpForo Forum | 2.4.16 | unaffected |
Weaknesses
- CWE-862: Missing Authorization
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
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
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