CVE-2020-36875: AccessAlly < 3.3.2 Unauthenticated Arbitrary PHP Code Execution

Severity: critical (CVSS 9.3 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-01-09 · updated 2026-06-17
Weakness: CWE-94

Description

AccessAlly WordPress plugin versions prior to 3.3.2 contain an unauthenticated arbitrary PHP code execution vulnerability in the Login Widget. The plugin processes the login_error parameter as PHP code, allowing an attacker to supply and execute arbitrary PHP in the context of the WordPress web server process, resulting in remote code execution.

Affected products

ACCESSALLY, INC. AccessAlly: before 3.3.2 — fixed in 3.3.2

How to fix

Upgrade to a fixed version: ACCESSALLY, INC. AccessAlly 3.3.2. Check the vendor advisory for mitigations.

References

https://accessally.com/software-release/accessally-3-3-2/
https://wpscan.com/vulnerability/c644de6d-098d-4889-b75d-53fd2b89ff4d/
https://www.vulncheck.com/advisories/accessally-unauthenticated-arbitrary-php-code-execution
https://wpscan.com/vulnerability/c644de6d-098d-4889-b75d-53fd2b89ff4d/

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