CVE-2026-39550 WordPress Aperitif theme <= 1.6 - PHP Object Injection vulnerability
An attacker can exploit PHP object injection in the Aperitif WordPress theme 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-2026-39550?
CVE-2026-39550 is a high-severity unsafe deserialization vulnerability in Elated-Themes Aperitif, published on 2 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Deserialization of Untrusted Data vulnerability in Elated-Themes Aperitif allows Object Injection.
This issue affects Aperitif: from n/a through 1.6.
Weakness: CWE-502
Which versions are affected by CVE-2026-39550?
How do I fix CVE-2026-39550?
No fix has been published for CVE-2026-39550 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-2026-39550 being exploited?
There is no known exploitation of CVE-2026-39550 in the wild and no public exploit code.
Sources
Also known as GHSA-4mp4-954f-p5jr.