CVE-2021-36548

A remote code execution (RCE) vulnerability in the component /admin/index.php?id=themes&action=edit_template&filename=blog of Monstra v3.0.4 allows attackers…

published October 28, 2021

CVSS
—
EPSS
3%
Percentile
88.5
In the wild
Unconfirmed
What it is

🚨 A cleverly crafted PHP file is all it takes to unleash havoc! This remote code execution (RCE) vulnerability lurks in Monstra v3.0.4's admin interface, ready to let attackers run wild. 🔥 Think of it as a chef having unrestricted access to the entire restaurant — if they wanted to change the menu or mess up the kitchen, they could! With this RCE, an attacker can execute any command like a rogue chef in charge of the grill. An attacker could potentially take complete control of your server, executing arbitrary commands that might lead to data breaches, service interruptions, or even complete server takeover. This vulnerability is a wake-up call — if left unaddressed, it could lead to devastating consequences for your site!

Put simply

Think of it as a chef having unrestricted access to the entire restaurant — if they wanted to change the menu or mess up the kitchen, they could! With this RCE, an attacker can execute any command like a rogue chef in charge of the grill. This vulnerability allows attackers to execute arbitrary commands through a crafted PHP file by exploiting the /admin/index.php endpoint in Monstra v3.0.4, which lacks proper input validation and sanitization.

What to do

An attacker could potentially take complete control of your server, executing arbitrary commands that might lead to data breaches, service interruptions, or even complete server takeover. This vulnerability is a wake-up call — if left unaddressed, it could lead to devastating consequences for your site! To protect your system, update to Monstra version 3.0.5 or later immediately. Additionally, review user permissions for admin access and ensure that only trusted users can upload files. Regularly monitor your server logs for any suspicious activity. You've got this! Fixing this vulnerability will help secure your server and keep it running smoothly. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.03309 · 88.5th percentile
Published
2021-10-28T19:11Z
EPSS history
Timeline
  • 28 OCT 19:11Z
    A remote code execution (RCE) vulnerability in the component /admin/index.php?id=themes&action=edit_template&filename=blog of Monstra v3.0.4 allows attackers…
    cvelistv5