CVE-2026-16062 Event Booking Manager for WooCommerce < 5.3.7 - Contributor+ PHP Object Injection via Event Timeline and FAQ Content
Contributors can inject PHP objects via event content fields, potentially leading to code execution or data theft if a POP chain exists.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-16062?
CVE-2026-16062 is a medium-severity unsafe deserialization vulnerability in Unknown Event Booking Manager for WooCommerce, published on 2 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The Event Booking Manager for WooCommerce WordPress plugin before 5.3.7 does not prevent the deserialization of user-controlled input in some of its event content fields, allowing users with Contributor-level access and above to inject PHP objects. No POP chain is present in the Event Booking Manager for WooCommerce WordPress plugin before 5.3.7 itself, but if one is present via another installed Event Booking Manager for WooCommerce WordPress plugin before 5.3.7 or , this could lead to actions such as arbitrary file deletion, sensitive data retrieval, or remote code execution. This is an incomplete fix of the Event Booking Manager for WooCommerce WordPress plugin before 5.3.7's earlier object-injection advisories.
Weakness: CWE-502
Which versions are affected by CVE-2026-16062?
How do I fix CVE-2026-16062?
No fix has been published for CVE-2026-16062 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-2026-16062 being exploited?
There is no known exploitation of CVE-2026-16062 in the wild and no public exploit code.
Sources
Also known as GHSA-xh9j-gpmv-5c2v.