CVE-2026-73397 WordPress Youzify plugin <= 1.3.7 - Deserialization of untrusted data vulnerability
Unauthenticated attackers can exploit unsafe deserialization in the Youzify WordPress plugin to potentially execute arbitrary code.
- 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-2026-73397?
CVE-2026-73397 is a critical unsafe deserialization vulnerability in Youzify, published on 18 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unauthenticated Deserialization of untrusted data in Youzify <= 1.3.7 versions.
Weakness: CWE-502
Which versions are affected by CVE-2026-73397?
How do I fix CVE-2026-73397?
No fix has been published for CVE-2026-73397 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-2026-73397 being exploited?
There is no known exploitation of CVE-2026-73397 in the wild and no public exploit code.
Sources
Also known as GHSA-vcfr-hfg8-h8gf.