CVE-2026-84752 WordPress RTMKit plugin <= 2.1.5 - PHP Object Injection vulnerability
A contributor can exploit PHP object injection in the RTMKit WordPress plugin to potentially execute arbitrary code.
- 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-2026-84752?
CVE-2026-84752 is a high-severity unsafe deserialization vulnerability in rometheme RTMKit, published on 3 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Contributor PHP Object Injection in RTMKit <= 2.1.5 versions.
Weakness: CWE-502
Which versions are affected by CVE-2026-84752?
How do I fix CVE-2026-84752?
No fix has been published for CVE-2026-84752 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-84752 being exploited?
There is no known exploitation of CVE-2026-84752 in the wild and no public exploit code.
Sources
Also known as GHSA-7cm2-qx3m-m8hw.