CVE-2020-36875 AccessAlly < 3.3.2 Unauthenticated Arbitrary PHP Code Execution
Unauthenticated attackers can execute arbitrary PHP code via the login_error parameter in the AccessAlly WordPress plugin, leading to remote code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-36875?
CVE-2020-36875 is a critical code injection vulnerability in ACCESSALLY, INC. AccessAlly, published on 9 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-94
Which versions are affected by CVE-2020-36875?
How do I fix CVE-2020-36875?
No fix has been published for CVE-2020-36875 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2020-36875 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-36875 exists.
Sources
Also known as GHSA-w273-q2jx-gwwp.