Threat Investigation
Request a demo

CVE-2025-40834

Medium

Description

A vulnerability has been identified in Mendix RichText (All versions >= V4.0.0 < V4.6.1). Affected widget does not properly neutralize the input. This could allow an attacker to execute cross-site scripting attacks.

SeverityMedium
CVSS5.7
Exploit probability—
ProductMendix RichText
PublishedNov 17, 2025
First seenNov 17, 2025
Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update
  • Siemens Mendix RichTextV4.6.1 or later

Affected products

ProductAffected versionsFixed in
Siemens Mendix RichTextV4.0.0 ≤ v < V4.6.1V4.6.1

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.