CVE-2023-42498CWE-79

Reflected cross-site scripting (XSS) vulnerability in the Language Override edit screen in Liferay Portal 7.4.3.8 through 7.4.3.97, and Liferay DXP 2023.Q3…

Critical · published February 21, 2024

CVSS v3.1
9.6
EPSS
1%
Percentile
48.6
In the wild
Unconfirmed
What it is

🚨 A crafty little XSS vulnerability in Liferay Portal could let attackers inject their own scripts, right through the Language Override screen! 🔥 Think of it like a clever prankster slipping a fake menu into a restaurant — suddenly, you’re serving dishes that could lead to chaos instead of dinner. In this case, the attacker can inject arbitrary web scripts, putting your users at risk. An attacker exploiting this vulnerability could manipulate the site to run malicious scripts in the context of a user's session. This could lead to phishing, stealing sensitive data, or even hijacking user accounts. The impact could be absolutely devastating for both users and your system's integrity!

Put simply

Think of it like a clever prankster slipping a fake menu into a restaurant — suddenly, you’re serving dishes that could lead to chaos instead of dinner. In this case, the attacker can inject arbitrary web scripts, putting your users at risk. This reflected XSS vulnerability allows attackers to execute arbitrary web scripts by manipulating the '_com_liferay_portal_language_override_web_internal_portlet_PLOPortlet_key' parameter on affected Liferay versions. This occurs when user input is not properly sanitized before being reflected back to the browser.

What to do

An attacker exploiting this vulnerability could manipulate the site to run malicious scripts in the context of a user's session. This could lead to phishing, stealing sensitive data, or even hijacking user accounts. The impact could be absolutely devastating for both users and your system's integrity! Immediately update to Liferay Portal 7.4.3.98 or later, or upgrade to Liferay DXP 2023.Q3 with patch 5. Additionally, implement input validation and output encoding to mitigate further risks. Don’t wait - take action now! This is fixable! Follow these steps, and you'll have your Liferay system locked down in no time. 🛡️

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00611 · 48.6th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2024-02-21T02:47Z
EPSS history
Timeline
  • 21 FEB 02:47Z
    Reflected cross-site scripting (XSS) vulnerability in the Language Override edit screen in Liferay Portal 7.4.3.8 through 7.4.3.97, and Liferay DXP 2023.Q3…
    cvelistv5