CVE-2020-35129

Mautic before 3.2.4 is affected by stored XSS

published January 19, 2021

CVSS
—
EPSS
1%
Percentile
63.0
In the wild
Unconfirmed
What it is

⚠️ A crafty XSS vulnerability could empower an attacker to hijack user accounts in Mautic versions before 3.2.4 — it’s like handing over the keys to the castle without checking who’s at the door! 🔑 Imagine a sneaky delivery person who can drop off a package directly in the main office, and inside that package is an order to change the office's security codes. This XSS flaw allows an attacker to inject malicious JavaScript targeting other users, including admins, all from within the Social Monitoring feature. An attacker could leverage this vulnerability to perform all sorts of malicious actions on behalf of the user, like changing passwords, emails, and even elevating their own privileges to become an administrator. The fallout? Complete control over the compromised accounts and sensitive data!

Put simply

Imagine a sneaky delivery person who can drop off a package directly in the main office, and inside that package is an order to change the office's security codes. This XSS flaw allows an attacker to inject malicious JavaScript targeting other users, including admins, all from within the Social Monitoring feature. This stored XSS vulnerability allows an attacker with access to the Social Monitoring feature to load malicious JavaScript, which can manipulate other user sessions in Mautic. The attacker can execute functions that impact user credentials and roles without the victims knowing.

What to do

An attacker could leverage this vulnerability to perform all sorts of malicious actions on behalf of the user, like changing passwords, emails, and even elevating their own privileges to become an administrator. The fallout? Complete control over the compromised accounts and sensitive data! To protect against this vulnerability, upgrade Mautic to version 3.2.4 or later immediately. Additionally, ensure proper input validation and sanitization for all user-generated content in the application. Regularly review user permissions to prevent unauthorized privilege escalation. You've got this! With these steps, you’ll secure your Mautic installation in no time! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01018 · 63.0th percentile
Published
2021-01-19T13:05Z
EPSS history
Timeline
  • 19 JAN 13:05Z
    Mautic before 3.2.4 is affected by stored XSS
    cvelistv5