CVE-2025-48101 WordPress Constant Contact for WordPress Plugin <= 4.1.1 - PHP Object Injection Vulnerability
An attacker can exploit PHP object injection in the Constant Contact for WordPress plugin to potentially execute arbitrary code.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-48101?
CVE-2025-48101 is a high-severity unsafe deserialization vulnerability in webdevstudios Constant Contact for WordPress, published on 9 Sep 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Deserialization of Untrusted Data vulnerability in webdevstudios Constant Contact for WordPress allows Object Injection. This issue affects Constant Contact for WordPress: from n/a through 4.1.1.
Weakness: CWE-502
Which versions are affected by CVE-2025-48101?
How do I fix CVE-2025-48101?
No fix has been published for CVE-2025-48101 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-2025-48101 being exploited?
There is no known exploitation of CVE-2025-48101 in the wild and no public exploit code.
Sources
Also known as GHSA-p67f-q4xm-7jg2.