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Vulnerability record · CVE-2021-24226 · published 12 April 2021

CVE-2021-24226: Accessally information exposure vulnerability

Accessally · Accessally

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.

7.5 CVSS 3.1 High EPSS 5.4% · top 7.6% CWE-200 · Information exposure
7.5CVSS 3.1 base score, v2 5.0
5.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://wpscan.com/vulnerability/8e3e89fd-e380-4108-be23-00e87fbaad16 ExploitThird Party Advisory
https://wpscan.com/vulnerability/8e3e89fd-e380-4108-be23-00e87fbaad16 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-24226), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.