CVE-2026-28555 (GCVE-0-2026-28555)
Vulnerability from cvelistv5 – Published: 2026-02-28 21:47 – Updated: 2026-05-11 23:11
VLAI
EPSS
VEX
Title
wpForo Forum 2.4.14 Missing Authorization via Topic Close AJAX Handler
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.
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-03 19:38 UTC
CWE
- CWE-862 - Missing Authorization
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://wordpress.org/plugins/wpforo/ | product |
| https://wordpress.org/plugins/wpforo/#developers | patch |
| https://www.vulncheck.com/advisories/wpforo-forum… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| gVectors Team | wpForo Forum |
Affected:
2.4 , < 2.4.16
(custom)
Unaffected: 2.4.16 (semver) cpe:2.3:a:gvectors:wpforo_forum:*:*:*:*:*:*:*:* |
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