CVE-2020-29071

An XSS issue was found in the Shares feature of LiquidFiles before 3.3.19

published November 25, 2020

CVSS
—
EPSS
2%
Percentile
76.5
In the wild
Unconfirmed
What it is

⚠️ An XSS vulnerability in LiquidFiles could let attackers run commands as root — all from a sneaky HTML file upload! 🔥 Think of it as a restaurant where a customer serves their own dish, and the kitchen assumes it’s safe without checking the ingredients — all sorts of trouble can brew from what’s on that plate! An attacker could exploit this vulnerability to execute commands with root privileges or access sensitive information about encrypted emails, depending on the user's permissions. This could lead to devastating data breaches or system compromises — a real recipe for disaster!

Put simply

Think of it as a restaurant where a customer serves their own dish, and the kitchen assumes it’s safe without checking the ingredients — all sorts of trouble can brew from what’s on that plate! The issue stems from LiquidFiles' insecure rendering of HTML files uploaded as attachments. When the '-htmlview' URL is accessed directly, it allows malicious scripts to run in the context of the browser, leading to potential exploitation.

What to do

An attacker could exploit this vulnerability to execute commands with root privileges or access sensitive information about encrypted emails, depending on the user's permissions. This could lead to devastating data breaches or system compromises — a real recipe for disaster! Upgrade LiquidFiles to version 3.3.19 or later to patch this vulnerability. Additionally, ensure that uploads are properly sanitized and restrict HTML file uploads to trusted users only. Regularly review permissions to minimize risk exposure. You've got this! With these steps, you'll take charge of your security like a pro! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01660 · 76.5th percentile
Published
2020-11-25T02:48Z
EPSS history
Timeline
  • 25 NOV 02:48Z
    An XSS issue was found in the Shares feature of LiquidFiles before 3.3.19
    cvelistv5