CVE-2021-38243

xunruicms up to v4.5.1 was discovered to contain a remote code execution (RCE) vulnerability in /index.php

Critical · published September 26, 2023

CVSS v3.1
9.8
EPSS
2%
Percentile
75.3
In the wild
Unconfirmed
What it is

🚨 A crafted GET request is all it takes to unleash chaos with XunruiCMS up to version 4.5.1! 🔥 Think of it like a restaurant where a delivery driver can drop off any dish at the kitchen without verification. If they're not checked, they could serve up something dangerous instead of the intended meal! An attacker could execute arbitrary code on your server, potentially leading to complete control over your system, stealing sensitive data, or wreaking havoc on your users. This is absolutely devastating!

Put simply

Think of it like a restaurant where a delivery driver can drop off any dish at the kitchen without verification. If they're not checked, they could serve up something dangerous instead of the intended meal! This vulnerability exists in XunruiCMS's /index.php file, which fails to properly validate crafted GET requests, allowing remote code execution by unauthorized users.

What to do

An attacker could execute arbitrary code on your server, potentially leading to complete control over your system, stealing sensitive data, or wreaking havoc on your users. This is absolutely devastating! Immediately upgrade to version 4.5.2 to patch this vulnerability. Review your server configurations and input validation protocols to ensure they are robust against such attacks. Don't forget to perform a security audit of your system afterwards! You've got this! Follow these steps, and you'll secure your system 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
0.01578 · 75.3th percentile
Published
2023-09-26T00:00Z
EPSS history
Timeline
  • 26 SEP 00:00Z
    xunruicms up to v4.5.1 was discovered to contain a remote code execution (RCE) vulnerability in /index.php
    cvelistv5