Cross-Site Scripting Vulnerability in Schneider Electric Webserver Certificates Page
CVE-2025-3899

5.1MEDIUM

Key Information:

Vendor

Schneider Electric
Status
Modicon Controllers M241/m251
Vendor
CVE Published:
10 June 2025

What is CVE-2025-3899?

A cross-site scripting vulnerability has been identified in the Certificates page of Schneider Electric's Webserver. This vulnerability allows authenticated attackers to inject unvalidated data, potentially manipulating or reading sensitive information from a victim’s browser. Proper input sanitization measures are essential to mitigate this issue and protect users from data breaches or unauthorized access.

Affected Version(s)

Modicon Controllers M241/M251 Versions prior to 5.3.12.51

References

https://download.schneider-electric.com/files?p_Doc_Ref=S...

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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