CVE-2025-20357 Cisco CyberVision Center Reports Stored Cross-Site Scripting Vulnerability

Medium 5.4 Published Updated

Authenticated attackers can inject malicious scripts into the Cisco Cyber Vision Center interface, potentially executing code or stealing browser data.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-20357?

CVE-2025-20357 is a medium-severity cross-site scripting vulnerability in Cisco Cyber Vision, published on 1 Oct 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A vulnerability in the web-based management interface of Cisco Cyber Vision Center could allow an authenticated, remote attacker to conduct cross-site scripting (XSS) attacks against a user of the interface. This vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected system. An attacker could exploit this vulnerability by injecting malicious code into specific pages of the interface. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information. To exploit this vulnerability, the attacker must have valid administrative credentials that allow access to the Reports page. By default, all pre-defined users have this access, as do any custom users that are configured to allow access to the Reports page.

Weakness: CWE-79

Which versions are affected by CVE-2025-20357?

It affects 1 product.

Products include Cisco Cyber Vision Center.

How do I fix CVE-2025-20357?

No fix has been published for CVE-2025-20357 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-2025-20357 being exploited?

There is no known exploitation of CVE-2025-20357 in the wild and no public exploit code.

Sources

Also known as GHSA-65cg-g79p-cpr6.

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