CVE-2026-57713 WordPress Events Manager plugin <= 7.3.6 - PHP Object Injection vulnerability
An attacker can exploit PHP object injection in the Events Manager plugin to potentially execute arbitrary code on the WordPress site.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-57713?
CVE-2026-57713 is a high-severity unsafe deserialization vulnerability in Marcus (aka @msykes) Events Manager, published on 13 Jul 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Deserialization of Untrusted Data vulnerability in Marcus (aka @msykes) Events Manager events-manager allows Object Injection.This issue affects Events Manager: from n/a through <= 7.3.6.
Weakness: CWE-502
Which versions are affected by CVE-2026-57713?
How do I fix CVE-2026-57713?
No fix has been published for CVE-2026-57713 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-2026-57713 being exploited?
There is no known exploitation of CVE-2026-57713 in the wild and no public exploit code.
Sources
Also known as GHSA-652w-mp65-jg96.