CVE-2021-4139CWE-79

Cross-site Scripting (XSS) - Stored in pimcore/pimcore

Medium · published December 21, 2021

CVSS v3.0
6.6
EPSS
1%
Percentile
59.5
In the wild
Unconfirmed
What it is

⚠️ A crafty script could slip through undetected! Pimcore has a Cross-site Scripting vulnerability that allows attackers to inject malicious code during web page generation. 🔥 Think of it like a sneaky chef who can secretly add extra ingredients to your dish without you noticing — if they slip in something harmful, your guests will be in for a surprise! An attacker could exploit this vulnerability to run malicious scripts in the browsers of unsuspecting users, potentially stealing cookies, session tokens, or redirecting them to phishing sites. It's not a complete disaster, but it certainly opens the door to some unwanted mischief!

Put simply

Think of it like a sneaky chef who can secretly add extra ingredients to your dish without you noticing — if they slip in something harmful, your guests will be in for a surprise! This vulnerability arises from improper sanitization of user input in Pimcore, allowing attackers to inject and execute JavaScript code in the context of the victim's browser.

What to do

An attacker could exploit this vulnerability to run malicious scripts in the browsers of unsuspecting users, potentially stealing cookies, session tokens, or redirecting them to phishing sites. It's not a complete disaster, but it certainly opens the door to some unwanted mischief! To safeguard your site, make sure to update Pimcore to the latest version where this issue is fixed. Additionally, review and enhance your input validation practices to ensure harmful scripts can’t be injected in the first place. You’ve got this! With a quick patch and better validation, you’ll be keeping your users safe and sound! 🛡️

The record
Technical detail
CVSS v3.0
6.6 · MEDIUM
Vector
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00906 · 59.5th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2021-12-21T12:50Z
EPSS history
Timeline
  • 21 DEC 12:50Z
    Cross-site Scripting (XSS) - Stored in pimcore/pimcore
    cvelistv5