CVE-2025-39551CWE-502

WordPress FluentBoards plugin <= 1.47 - PHP Object Injection Vulnerability

Critical · published April 17, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
44.4
In the wild
Unconfirmed
What it is

🚨 A simple object injection vulnerability lurks in FluentBoards that could let attackers execute code just by sending a crafty payload! 🔥 Think of it like a toy factory where the assembly line accepts any parts, even if they don’t match the specifications. If someone sends in a rogue part, it could cause the whole system to malfunction, letting the wrong products slip through. 🎭 An attacker can exploit this flaw to gain full control over the application, potentially accessing sensitive information, altering data, and even running arbitrary commands! This could lead to a total system compromise, which is absolutely devastating for any organization relying on FluentBoards. ⚡

Put simply

Think of it like a toy factory where the assembly line accepts any parts, even if they don’t match the specifications. If someone sends in a rogue part, it could cause the whole system to malfunction, letting the wrong products slip through. 🎭 This vulnerability stems from deserialization of untrusted data, allowing attackers to manipulate objects and inject malicious code into the application. The vulnerable versions of FluentBoards are all those from n/a up to and including 1.47.

What to do

An attacker can exploit this flaw to gain full control over the application, potentially accessing sensitive information, altering data, and even running arbitrary commands! This could lead to a total system compromise, which is absolutely devastating for any organization relying on FluentBoards. ⚡ To secure your systems, immediately update FluentBoards to the latest version that addresses this vulnerability. Implement strict input validation and consider adding additional layers of security, such as firewalls and monitoring for unusual activity. 🛡️ You've got this! By following these steps, you'll enhance your security posture and keep those pesky attackers at bay! 💪✨

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
0.00537 · 44.4th percentile
Weakness
CWE-502 · Deserialization of Untrusted Data
Published
2025-04-17T15:46Z
EPSS history
Timeline
  • 17 APR 15:46Z
    WordPress FluentBoards plugin <= 1.47 - PHP Object Injection Vulnerability
    cvelistv5