CVE-2025-39499CWE-502

WordPress Medicare Theme <= 2.1.0 - PHP Object Injection vulnerability

Critical · published May 23, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
48.8
In the wild
Unconfirmed
What it is

🚨 A critical deserialization vulnerability lets attackers inject objects into Medicare installations, potentially allowing them to take control! 🔥 Think of this like a stranger slipping a counterfeit document into your important paperwork—once it's in, they can change anything they want without you noticing! If exploited, an attacker could gain unauthorized access to sensitive data, modify configurations, or even execute arbitrary code, leading to catastrophic consequences for your system's integrity and security.

Put simply

Think of this like a stranger slipping a counterfeit document into your important paperwork—once it's in, they can change anything they want without you noticing! This vulnerability occurs due to improper handling of untrusted data during the deserialization process, allowing malicious objects to be injected and executed within the application scope. It affects Medicare versions from n/a up to and including 2.1.0.

What to do

If exploited, an attacker could gain unauthorized access to sensitive data, modify configurations, or even execute arbitrary code, leading to catastrophic consequences for your system's integrity and security. Immediate action is required: upgrade to Medicare version 2.1.1 or later to close this vulnerability. Additionally, audit your systems for any untrusted data handling practices to strengthen your overall security posture. You've got this! Follow the steps and you'll have your Medicare installations safe and sound in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00616 · 48.8th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2025-05-23T12:43Z
EPSS history
Timeline
  • 23 MAY 12:43Z
    WordPress Medicare Theme <= 2.1.0 - PHP Object Injection vulnerability
    cvelistv5