Vulnerability · Published Jun 10, 2025 · Assigned by schneider
CVE-2025-3905
Medium 5.4
In plain English
A medium-severity cross-site scripting in Modicon Controllers M241/M251 from Schneider Electric. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.3%top 75.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability exists impacting PLC system variables that could cause an unvalidated data injected by authenticated malicious user leading to modify or read data in a victim’s browser.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Schneider Electric | Modicon Controllers M241/M251 | Versions prior to 5.3.12.51 |
| Schneider Electric | Modicon Controllers M258 / LMC058 | All Versions |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N