CVE-2021-24226: Accessally

High severity, CVSS 7.5. EPSS: 5.4% chance of exploitation in the next 30 days.

In the AccessAlly WordPress plugin before 3.5.7, the file "resource/frontend/product/product-shortcode.php" responsible for the [accessally_order_form] shortcode is dumping serialize($_SERVER), which contains all environment variables. The leakage occurs on all public facing pages containing the [accessally_order_form] shortcode, no login or administrator role is required.

Affected products

• Accessally Accessally: before 3.5.7 (fixed in 3.5.7)

Published 2021-04-12. Last modified 2026-06-17.