CVE-2026-4666 — The wpForo Forum plugin for WordPress is vulnerable to
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CVE-2026-4666 — The wpForo Forum plugin for WordPress is vulnerable to unauthorized modification of data due to the use of `extract($args, EXTR_OVERWRITE)` on user-controlled input in the `edit()` method of `classes/Posts.php` in all versions up to, and including, 2.4.16. The `post_edit` action hand
What This Means For You
- If your environment is affected by CWE-862, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-4666 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
8 rules · 6 SIEM formats8 auto-generated detection rules for this incident, mapped to MITRE ATT&CK. Available in Sigma, Splunk SPL, Sentinel KQL, Elastic Lucene, QRadar AQL, and Wazuh.
Credential Abuse from Breached Vendor — CVE-2026-4666
Want this in your SIEM's native format? Get Splunk SPL, Sentinel KQL, Elastic, QRadar AQL, or Wazuh — ready to paste.
8 Sigma rules mapped to the ATT&CK techniques from this breach — pick your SIEM and get a ready-to-paste query.
Get All SIEM Formats →Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-4666 | vulnerability | CVE-2026-4666 |
| CWE-862 | weakness | CWE-862 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 17, 2026 at 07:16 UTC |
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