Cross-site scripting via client-side path traversal
Published Oct 7, 2025 · Updated Oct 7, 2025
Client-side path traversal in Guardian and CMC before 25.2.0 allows remote authenticated users to launch XSS through a malicious URL. The web management front end accepts an input parameter without path validation; Nozomi has not disclosed the parameter, route, or resulting content flow. Exploitation requires a limited-privilege user and an authenticated victim who visits the crafted URL, exposing that browser session to unauthorized actions and sensitive-information collection.
Summary
What happened
Client-side path traversal in Guardian and CMC before 25.2.0 allows remote authenticated users to launch XSS through a malicious URL. The web management front end accepts an input parameter without path validation; Nozomi has not disclosed the parameter, route, or resulting content flow. Exploitation requires a limited-privilege user and an authenticated victim who visits the crafted URL, exposing that browser session to unauthorized actions and sensitive-information collection.
The record
- CVE
- CVE-2025-3718
- Published
- Oct 7, 2025
- Updated
- Oct 7, 2025
- Vendor
- Nozomi Networks
- Product
- Guardian
- Classifications
- CWE-22, T1204.001
- Attack vector
- network
- Privileges
- authenticated
Timeline
How it unfolded
- Oct 7, 2025CVE publishedPublication date reported by the CVE source.
- Oct 7, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <25.2.0
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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