CVE-2022-45137: WAGO: Reflective Cross-Site Scripting

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-02-27 · updated 2026-06-17
Weakness: CWE-79

Description

The configuration backend of the web-based management is vulnerable to reflected XSS (Cross-Site Scripting) attacks that targets the users browser. This leads to a limited impact of confidentiality and integrity but no impact of availability.

Affected products

WAGO 751-9301 Firmware: from 16 before 22; 22, 23 — fixed in 22
WAGO 752-8303/8000-002 Firmware: from 18 before 22; 22, 23 — fixed in 22
WAGO Pfc100 Firmware: from 16 before 22; 22, 23 — fixed in 22
WAGO PFC200: from 16 before 22; 22, 23 — fixed in 22
WAGO Touch Panel 600 Advanced Firmware: from 16 before 22; 22, 23 — fixed in 22
WAGO Touch Panel 600 Marine Firmware: from 16 before 22; 22, 23 — fixed in 22
WAGO Touch Panel 600 Standard Firmware: from 16 before 22; 22, 23 — fixed in 22

How to fix

Upgrade to a fixed version: WAGO 751-9301 Firmware 22; WAGO 752-8303/8000-002 Firmware 22; WAGO Pfc100 Firmware 22; WAGO PFC200 22; WAGO Touch Panel 600 Advanced Firmware 22; WAGO Touch Panel 600 Marine Firmware 22; WAGO Touch Panel 600 Standard Firmware 22. Check the vendor advisory for mitigations.

References

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