What’s Vulnerable › Vulnerabilities
CVE-2021-34582: Phoenix Contact: FL MGUARD XSS through web-based management and REST API
- Severity: medium (CVSS 4.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-11-10 · updated 2026-06-17
- Weakness: CWE-79
Description
In Phoenix Contact FL MGUARD 1102 and 1105 in Versions 1.4.0, 1.4.1 and 1.5.0 a user with high privileges can inject HTML code (XSS) through web-based management or the REST API with a manipulated certificate file.
Affected products
- Phoenixcontact Fl Mguard 1102 Firmware: 1.4.0, 1.4.1, 1.5.0
- Phoenixcontact Fl Mguard 1105 Firmware: 1.4.0, 1.4.1, 1.5.0
References
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