CVE-2025-58218 WordPress Small Package Quotes – USPS Edition Plugin <= 1.3.9 - PHP Object Injection Vulnerability
An attacker can exploit PHP object injection in the Small Package Quotes plugin to potentially execute arbitrary code on the WordPress site.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-58218?
CVE-2025-58218 is a high-severity unsafe deserialization vulnerability in enituretechnology Small Package Quotes – USPS Edition, published on 27 Aug 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Deserialization of Untrusted Data vulnerability in enituretechnology Small Package Quotes – USPS Edition small-package-quotes-usps-edition allows Object Injection.This issue affects Small Package Quotes – USPS Edition: from n/a through <= 1.3.9.
Weakness: CWE-502
Which versions are affected by CVE-2025-58218?
How do I fix CVE-2025-58218?
No fix has been published for CVE-2025-58218 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-2025-58218 being exploited?
There is no known exploitation of CVE-2025-58218 in the wild and no public exploit code.
Sources
Also known as GHSA-r469-7rxf-6jmg.