CVE-2025-20208 Cross-site scripting in Cisco TelePresence Management Suite (TMS)

Medium 4.6 Published 5 Mar 2025 Updated 5 Mar 2025

A low-privileged remote attacker can execute arbitrary script code or access sensitive browser-based information via insufficient input validation in the Cisco TMS web interface.

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-2025-20208?

CVE-2025-20208 is a medium-severity cross-site scripting vulnerability in Cisco TelePresence Management Suite (TMS), published on 5 Mar 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 TelePresence Management Suite (TMS) could allow a low-privileged, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface. This vulnerability is due to insufficient input validation by the web-based management interface. An attacker could exploit this vulnerability by inserting malicious data in a specific data field in 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.

Weakness: CWE-79

Which versions are affected by CVE-2025-20208?

It affects 1 product.

Products include Cisco Telepresence Management Suite.

How do I fix CVE-2025-20208?

No fix has been published for CVE-2025-20208 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-2025-20208 being exploited?

There is no known exploitation of CVE-2025-20208 in the wild and no public exploit code.

Sources

Also known as GHSA-h8jj-4q9p-jw8c.