CVE-2026-28556
MEDIUM WAF: Low
CVSS 5.4
Published: 2026-02-28
CWE-862
wpForo Forum 2.4.14 contains a missing authorization vulnerability that allows authenticated subscribers to move, merge, or split any forum topic via the topic_move, topic_merge, and topic_split form action handlers. Attackers with a valid form nonce can reorganize arbitrary forum content without moderator permissions, including relocating topics to private forums.
WAF Coverage Analysis
Missing Authorization
Low WAF Coverage
OWASP: A01:2021 Broken Access Control
Affected Software
| Vendor | Product | Version |
|---|---|---|
| gvectors | wpforo_forum | 2.4.0 - 2.4.16 |
References
- wordpress.org (Product)
- wordpress.org (Release Notes)
- www.vulncheck.com (Third Party Advisory)