#VU111935 Stored cross-site scripting in Schneider Electric products - CVE-2025-3905

Vulnerability identifier: #VU111935

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2025-3905

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Modicon M258
Hardware solutions / Firmware
Modicon LMC058
Hardware solutions / Firmware
Modicon M241
Hardware solutions / Firmware
Modicon M251
Hardware solutions / Firmware

Vendor: Schneider Electric

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Modicon M258: All versions

Modicon LMC058: All versions

Modicon M241: before 5.3.12.51

Modicon M251: before 5.3.12.51

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External links
https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2025-161-02&p_enDocType=Security+and+Safety+Notice&p_File_Name=SEVD-2025-161-02.pdf
https://www.cisa.gov/news-events/ics-advisories/icsa-25-175-03

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.