CVE-2026-84835 WordPress Rentsyst plugin <= 2.1.5 - Broken Access Control vulnerability

Q: What is CVE-2026-84835?

CVE-2026-84835 is a medium-severity missing authorization vulnerability in DimaFreund Rentsyst, published on 2 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Q: Is CVE-2026-84835 being exploited?

There is no known exploitation of CVE-2026-84835 in the wild and no public exploit code.

Q: How do I fix CVE-2026-84835?

No fix has been published for CVE-2026-84835 yet. Limit exposure of the affected software until one is available.

Medium 5.3 Published 2 Sep 2026 Updated 23 Sep 2026

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

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-2026-84835?

CVE-2026-84835 is a medium-severity missing authorization vulnerability in DimaFreund Rentsyst, published on 2 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Missing Authorization vulnerability in DimaFreund Rentsyst rentsyst allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Rentsyst: from n/a through 2.1.5.

Weakness: CWE-862

Which versions are affected by CVE-2026-84835?

How do I fix CVE-2026-84835?

No fix has been published for CVE-2026-84835 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-2026-84835 being exploited?