CVE-2026-23544 WordPress Valenti theme <= 5.6.3.5 - PHP Object Injection vulnerability
An attacker can exploit PHP object injection in the Valenti WordPress theme to potentially execute arbitrary code on the server.
- 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-2026-23544?
CVE-2026-23544 is a high-severity unsafe deserialization vulnerability in codetipi Valenti, published on 19 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Deserialization of Untrusted Data vulnerability in codetipi Valenti valenti allows Object Injection.This issue affects Valenti: from n/a through <= 5.6.3.5.
Weakness: CWE-502
Which versions are affected by CVE-2026-23544?
How do I fix CVE-2026-23544?
No fix has been published for CVE-2026-23544 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-2026-23544 being exploited?
There is no known exploitation of CVE-2026-23544 in the wild and no public exploit code.
Sources
Also known as GHSA-xprw-mh67-9xf5.