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Vulnerabilities

Vulnerability · CVE-2025-40834

A vulnerability has been identified in Mendix RichText (All versions >= V4.0.0 < V4.6.1).

Published Nov 17, 2025 · catalog updated Nov 17, 2025 · Siemens Mendix RichText

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-40834. EPSS is 0.25%. Act only if a listed version of Siemens Mendix RichText is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.25%
Remediation
Version ranges on file
Affected products
vendor Siemens Mendix RichText V4.0.0 <V4.6.1

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Siemens Mendix RichText V4.0.0 <V4.6.1V4.0.0 <V4.6.1

How to fix CVE-2025-40834

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-40834. EPSS is 0.25%. Act only if a listed version of Siemens Mendix RichText is installed.

Which versions are affected?

Compare what you have installed with Siemens Mendix RichText V4.0.0 <V4.6.1 V4.0.0 <V4.6.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.25%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Nov 17, 2025 · EUVD

    Detected

    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.

  2. Nov 17, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-40834

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-40834

    30-day exploitation probability 0.25%

    first.org
  • EUVDVulnerability recordEUVD-2025-197785

    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.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 1, 2026
  • CVE.orgOct 28, 2026
  • EUVDOct 28, 2026