CVE-2025-15489 Passster < 4.2.24 - Password Protection Bypass

Medium 5.3 Published Updated

Unauthenticated attackers can bypass password protection to retrieve protected content via improper input handling in an AJAX action.

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-2025-15489?

CVE-2025-15489 is a medium-severity authentication bypass vulnerability in Unknown Passster, published on 2 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Passster WordPress plugin before 4.2.24 does not handle input properly in an AJAX action, allowing unauthenticated users to retrieve the value of password protected content

Weakness: CWE-863

Which versions are affected by CVE-2025-15489?

How do I fix CVE-2025-15489?

No fix has been published for CVE-2025-15489 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2025-15489 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15489 exists.

Sources

Also known as GHSA-96qf-ff37-rrr4.

Is CVE-2025-15489 in your software?

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