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Vulnerabilities CVE-2025-40894

CVE-2025-40894

Low
Open
TLP:CLEAR

HTML injection in Alerted Nodes Dashboard in Guardian/CMC before 25.6.0

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Description

A Stored HTML Injection vulnerability was discovered in the Alerted Nodes Dashboard functionality due to improper validation on an input parameter. A malicious authenticated user with the required privileges could edit a node label to inject HTML tags. If the system is configured to use the Alerted Nodes Dashboard, and alerts are reported for the affected node, then the injected HTML may render in the browser of a victim user interacting with it, enabling phishing and possibly open redirect attacks. Full XSS exploitation and direct information disclosure are prevented by the existing input validation and Content Security Policy configuration.

Details

CVSS Score
2.1
EPSS Score
0.16%

5.9th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N
Confidence
90%
Published
Mar 4, 2026
Last Modified
Aug 11, 2026
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