CVE-2025-52725CWE-502

WordPress CouponXxL theme <= 3.0.0 - PHP Object Injection Vulnerability

Critical Β· published June 27, 2025

CVSS v3.1
9.8
EPSS
0%
Percentile
39.2
In the wild
Unconfirmed
What it is

🚨 A deserialization vulnerability in CouponXxL could let attackers inject malicious objects, making it a playground for exploitation! πŸ”₯ Think of it like a restaurant kitchen that blindly accepts delivery orders without checking the ingredients β€” an unscrupulous chef could easily slip in some rotten produce! 🍽️ An attacker could exploit this flaw to execute arbitrary code on the server, potentially opening the door to full system compromise. This could mean unauthorized access to sensitive user data, manipulation of existing coupons, or even total takeover of the application. πŸšͺπŸ’£

Put simply

Think of it like a restaurant kitchen that blindly accepts delivery orders without checking the ingredients β€” an unscrupulous chef could easily slip in some rotten produce! 🍽️ This vulnerability allows untrusted data to be deserialized in CouponXxL versions up to 3.0.0, enabling object injection. If a malicious actor crafts a serialized object, they can execute code on the server side without any authentication, leading to severe consequences.

What to do

An attacker could exploit this flaw to execute arbitrary code on the server, potentially opening the door to full system compromise. This could mean unauthorized access to sensitive user data, manipulation of existing coupons, or even total takeover of the application. πŸšͺπŸ’£ Immediate remediation is crucial! Update CouponXxL to version 3.0.1 or later. Additionally, implement validation and sanitization of any deserialized data to prevent such injections in the future. πŸ›‘οΈ You've got this! Follow these steps, and you'll reinforce your defenses in no time. πŸ¦Έβ€β™‚οΈβœ¨

The record
Technical detail
CVSS v3.1
9.8 Β· 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
0.00464 Β· 39.2th percentile
Weakness
CWE-502 Β· Deserialization of Untrusted Data
Published
2025-06-27T11:52Z
EPSS history
Timeline
  • 27 JUN 11:52Z
    WordPress CouponXxL theme <= 3.0.0 - PHP Object Injection Vulnerability
    cvelistv5