CVE-2021-31761

Webmin 1.973 is affected by reflected Cross Site Scripting (XSS) to achieve Remote Command Execution through Webmin's running process feature

published April 25, 2021

CVSS
โ€”
EPSS
34%
Percentile
98.4
In the wild
Unconfirmed
What it is

โšก A crafty XSS vulnerability in Webmin 1.973 lets attackers inject code through innocent-looking links! ๐ŸŒ Think of it like a restaurant that allows patrons to scribble their own orders without checking them โ€” that one rogue customer could order anything, including something dangerous for everyone! If exploited, this vulnerability could lead to remote command execution, allowing an attacker to take control of the Webmin process and execute malicious commands. This could be devastating, putting sensitive data and server integrity at serious risk!

Put simply

Think of it like a restaurant that allows patrons to scribble their own orders without checking them โ€” that one rogue customer could order anything, including something dangerous for everyone! This reflected XSS flaw allows attackers to craft a malicious link that, when clicked by a user with certain privileges, can lead to executing commands on the server without proper authorization.

What to do

If exploited, this vulnerability could lead to remote command execution, allowing an attacker to take control of the Webmin process and execute malicious commands. This could be devastating, putting sensitive data and server integrity at serious risk! To safeguard your system, update Webmin to the latest version immediately! Additionally, consider implementing input validation and sanitization measures on your servers to block potential XSS attacks. Regularly audit your configurations for extra peace of mind! You've got this! By following these steps, you'll keep your Webmin secure and sound. ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.33569 ยท 98.4th percentile
Published
2021-04-25T18:30Z
EPSS history
Timeline
  • 25 APR 18:30Z
    Webmin 1.973 is affected by reflected Cross Site Scripting (XSS) to achieve Remote Command Execution through Webmin's running process feature
    cvelistv5