CVE-2025-48918 Simple Klaro - Moderately critical - Cross Site Scripting - SA-CONTRIB-2025-071

High 8.8 Published Updated

An attacker can inject malicious scripts into web pages viewed by other users via the Simple Klaro Drupal module.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2025-48918?

CVE-2025-48918 is a high-severity cross-site scripting vulnerability in Drupal Simple Klaro, published on 13 Jun 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal Simple Klaro allows Cross-Site Scripting (XSS).This issue affects Simple Klaro: from 0.0.0 before 1.10.0.

Weakness: CWE-79

Which versions are affected by CVE-2025-48918?

It affects 1 product.

Linux distribution packages (1)
drupal/simple_klaro Packagist:https://packages.drupal.org/8All versions1.10.0

Products include 1xinternet Simple Klaro.

How do I fix CVE-2025-48918?

Upgrade to a fixed version.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-48918 being exploited?

There is no known exploitation of CVE-2025-48918 in the wild and no public exploit code.

Sources

Also known as DRUPAL-CONTRIB-2025-071, GHSA-h74x-58xg-q3fc.

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