CVE-2024-53803 WordPress WP Mailster plugin <= 1.8.16.0 - Broken Access Control vulnerability

Q: What is CVE-2024-53803?

CVE-2024-53803 is a medium-severity missing authorization vulnerability in brandtoss WP Mailster, published on 6 Dec 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Q: Is CVE-2024-53803 being exploited?

There is no known exploitation of CVE-2024-53803 in the wild and no public exploit code.

Q: How do I fix CVE-2024-53803?

No fix has been published for CVE-2024-53803 yet. Limit exposure of the affected software until one is available.

Medium 6.5 Published 6 Dec 2024 Updated 28 Apr 2026

Attackers can bypass access controls in the WP Mailster WordPress plugin to perform unauthorized actions.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-53803?

CVE-2024-53803 is a medium-severity missing authorization vulnerability in brandtoss WP Mailster, published on 6 Dec 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Missing Authorization vulnerability in brandtoss WP Mailster wp-mailster allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WP Mailster: from n/a through <= 1.8.16.0.

Weakness: CWE-862

Which versions are affected by CVE-2024-53803?

It affects 1 product.

Products include Wpmailster Wp Mailster.

How do I fix CVE-2024-53803?

No fix has been published for CVE-2024-53803 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2024-53803 being exploited?

There is no known exploitation of CVE-2024-53803 in the wild and no public exploit code.

Sources

Also known as GHSA-4jvf-xwmx-r87h.