CVE-2025-31919CWE-502

WordPress Spare <= 1.7 - PHP Object Injection Vulnerability

Critical · published June 17, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
44.7
In the wild
Unconfirmed
What it is

🚨 A sneaky object injection vulnerability in themeton Spare could let attackers manipulate your application with a simple data payload! 🔥 Imagine a chef accepting any food delivery without checking the ingredients—an unsuspecting recipe could turn into a disaster! In this case, the vulnerable version of Spare trusts unverified data, allowing unauthorized changes to its inner workings. If exploited, an attacker could inject malicious objects into your application, potentially leading to unauthorized access, data manipulation, or even system compromise. This is absolutely devastating for any organization using this library, making it crucial to address this vulnerability immediately.

Put simply

Imagine a chef accepting any food delivery without checking the ingredients—an unsuspecting recipe could turn into a disaster! In this case, the vulnerable version of Spare trusts unverified data, allowing unauthorized changes to its inner workings. This deserialization flaw allows an attacker to inject untrusted data resulting in object injection, enabling them to execute arbitrary code or modify application behavior without proper authorization.

What to do

If exploited, an attacker could inject malicious objects into your application, potentially leading to unauthorized access, data manipulation, or even system compromise. This is absolutely devastating for any organization using this library, making it crucial to address this vulnerability immediately. Update themeton Spare to version 1.8 or higher to eliminate this vulnerability. Additionally, validate and sanitize all incoming data to prevent any unauthorized modifications. Prioritize this patch as part of your security updates! You've got this! Follow these steps, and you'll reinforce your defenses against this critical vulnerability! 🛡️

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
0.00541 · 44.7th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2025-06-17T15:01Z
EPSS history
Timeline
  • 17 JUN 15:01Z
    WordPress Spare <= 1.7 - PHP Object Injection Vulnerability
    cvelistv5