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Vulnerabilities CVE-2025-40893

CVE-2025-40893

Medium
Open
TLP:CLEAR

HTML injection in Asset List in Guardian/CMC before 25.5.0

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Description

A Stored HTML Injection vulnerability was discovered in the Asset List functionality due to improper validation of network traffic data. An unauthenticated attacker can send specially crafted network packets to inject HTML tags into asset attributes. When a victim views the affected assets in the Asset List (and similar functions), the injected HTML renders in their browser, 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
5.3
EPSS Score
0.17%

6.7th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N
Confidence
90%
Published
Dec 18, 2025
Last Modified
Aug 11, 2026
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