CVE-2021-29996

Mark Text through 0.16.3 allows attackers arbitrary command execution

published April 5, 2021

CVSS
—
EPSS
3%
Percentile
86.1
In the wild
Unconfirmed
What it is

🚨 A seemingly innocent markdown file could be a trojan horse! Attackers can sneak in commands, triggering Remote Code Execution (RCE) when users open .md files with a malicious XSS payload. 🔥 Think of it like a dinner invitation with a hidden surprise — while it looks delicious, it could contain something utterly nasty if you don’t double-check the ingredients! This vulnerability could allow an attacker to execute arbitrary commands on a user's system, leading to a full-blown compromise. Just opening a single file could result in your system being under the control of a malicious actor, causing chaos and potentially stealing sensitive information!

Put simply

Think of it like a dinner invitation with a hidden surprise — while it looks delicious, it could contain something utterly nasty if you don’t double-check the ingredients! Mark Text versions up to 0.16.3 are susceptible to RCE due to a XSS payload embedded in markdown files, allowing attackers to execute commands as soon as the file is opened.

What to do

This vulnerability could allow an attacker to execute arbitrary commands on a user's system, leading to a full-blown compromise. Just opening a single file could result in your system being under the control of a malicious actor, causing chaos and potentially stealing sensitive information! Update Mark Text to the latest version to ensure your system is secured against this exploit. Additionally, avoid opening .md files from untrusted sources until you're patched up! You've got this! Stay vigilant and keep your software updated to enjoy a safer computing experience. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.02751 · 86.1th percentile
Published
2021-04-05T07:32Z
EPSS history
Timeline
  • 05 APR 07:32Z
    Mark Text through 0.16.3 allows attackers arbitrary command execution
    cvelistv5