CVE-2025-40895 HTML injection in Sensor Map in CMC before 25.6.0
An authenticated administrator can inject HTML into Guardian properties, enabling phishing or open redirects in the CMC Sensor Map for victims.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-40895?
CVE-2025-40895 is a low-severity cross-site scripting vulnerability in Nozomi Networks CMC, published on 4 Mar 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
A Stored HTML Injection vulnerability was discovered in the CMC's Sensor Map functionality due to improper validation on connected Guardians' properties.
A malicious authenticated user with administrator privileges on a Guardian connected to a CMC can edit the Guardian's properties to inject HTML tags. If the Sensor Map functionality is enabled in the CMC, when a victim CMC user interacts with it, then the injected HTML may render 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.
Weakness: CWE-79
Which versions are affected by CVE-2025-40895?
It affects 1 product.
Products include Nozominetworks Cmc.
How do I fix CVE-2025-40895?
No fix has been published for CVE-2025-40895 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-40895 being exploited?
There is no known exploitation of CVE-2025-40895 in the wild and no public exploit code.
Other vulnerabilities in Nozomi Networks CMC
- CVE-2023-29245 SQL Injection on IDS parsing of malformed asset fields in Guardian/CMC >= 22.6.0 before 22.6.3 and 23.1.0
- CVE-2026-31984 DoS through oversized audit log entries in Guardian/CMC before 26.2.0
- CVE-2023-2567 Authenticated SQL Injection on Query functionality in Guardian/CMC before 22.6.3 and 23.1.0
- CVE-2023-22378 Authenticated Blind SQL Injection on sorting in Guardian/CMC before 22.6.2
- CVE-2023-23574 Authenticated Blind SQL Injection on alerts count in Guardian/CMC before 22.6.2
Sources
Also known as GHSA-cwjm-6w5q-5g3g.