CVE-2026-97246 WordPress ShortPixel Image Optimizer plugin <= 6.5.5 - PHP Object Injection vulnerability
A subscriber can exploit PHP object injection in the ShortPixel Image Optimizer plugin to potentially execute arbitrary code.
- 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-2026-97246?
CVE-2026-97246 is a medium-severity unsafe deserialization vulnerability in ShortPixel Image Optimizer, published on 30 Sep 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 ShortPixel ShortPixel Image Optimizer shortpixel-image-optimiser allows Object Injection.This issue affects ShortPixel Image Optimizer: from n/a through 6.5.5.
Weakness: CWE-502
Which versions are affected by CVE-2026-97246?
How do I fix CVE-2026-97246?
No fix has been published for CVE-2026-97246 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-2026-97246 being exploited?
There is no known exploitation of CVE-2026-97246 in the wild and no public exploit code.
Sources
Also known as GHSA-x62g-qgmr-chj3.