CVE-2025-52994 phpThumb is vulnerable to Command Injection through its gif_outputAsJpeg function
Attackers can execute arbitrary OS commands via crafted parameters in phpThumb, requiring immediate patching for all users.
- 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-2025-52994?
CVE-2025-52994 is a medium-severity command injection vulnerability in phpThumb, published on 11 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
gif_outputAsJpeg in phpThumb through 1.7.23 allows phpthumb.gif.php OS Command Injection via a crafted parameter value. This is fixed in 1.7.23-202506081709.
Weakness: CWE-78
Which versions are affected by CVE-2025-52994?
2 open source packages ship an affected version, including james-heinrich/phpthumb.
| Package | Affected | Fixed in |
|---|---|---|
james-heinrich/phpthumb Packagist | All versions to 1.7.23 | None |
james-heinrich/phpthumb Packagist | All versions to 1.7.23 | None |
How do I fix CVE-2025-52994?
No fix has been published for CVE-2025-52994 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-52994 being exploited?
There is no known exploitation of CVE-2025-52994 in the wild and no public exploit code.
Sources
Also known as GHSA-q745-cfqh-hcrw.