CVE-2026-94264: CWE-79 Cross-Site Scripting (XSS) in Advanced Custom Fields: Extended
Description
The Advanced Custom Fields: Extended WordPress plugin before 0.9.2.8, Advanced Custom Fields: Extended PRO WordPress plugin before 0.9.2.8 does not validate or escape some of its form shortcode attributes, which can be pointed at values taken from the visitor's own request and are then output without escaping, allowing users with a role as low as contributor to have arbitrary script run in the browser of anyone led to open a crafted link or page, including a logged-in administrator. This is an incomplete fix for CVE-2023-5292, whose deny-list covers only the three HTML wrapper attributes.
Affected software
Advanced Custom Fields: Extended
Advanced Custom Fields: Extended PRO
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-09-21T09:05:55.313Z
- State
- PUBLISHED
Threat ID: 6adafb9a4d27ba8daad77796
Added to database: 10/23/2026, 06:15:54 UTC
Last updated: 10/23/2026, 06:15:54 UTC
Views: 1
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