TI-2021-06518 Aliases CVE-2021-24226 GHSA-3hqr-g258-rfxm

AccessAlly < 3.5.7 - $_SERVER Superglobal Leakage

MEDIUM 41CWE-200Published 2021-04-12 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

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.

Why it matters now

EPSS 0.05259 92nd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix Fixed AccessAlly (Unknown): 3.5.7

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Unknown	AccessAlly	3.5.6 and later; 3.5.7 to before 3.5.7	3.5.7	Patch available	CNA

AccessAlly VendorUnknown Affected 3.5.6 and later; 3.5.7 to before 3.5.7 Fixed in 3.5.7 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:accessally:accessally::::::wordpress::*	before 3.5.7	Vulnerable	AccessAlly

cpe:2.3:a:accessally:accessally:*:*:*:*:*:wordpress:*:* Versions before 3.5.7 Vulnerable ·AccessAlly

Remediation

Fix · CNA AccessAlly (Unknown) Fixed in 3.5.7

Timeline

2026-10-02 Threatist record created from CVE-2021-24226
2026-10-03 Alias added: GHSA-3hqr-g258-rfxm

References

Exploit 1

https://wpscan.com/vulnerability/8e3e89fd-e380-4108-be23-00e87fbaad16

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences