CVE-2018-15434 Cisco Unified IP Phone 7900 Series Cross-Site Scripting Vulnerability

Medium 6.1 Published 5 Oct 2018 Updated 26 Nov 2024

An unauthenticated remote attacker can execute arbitrary script code or access sensitive information via a malicious link in the web interface.

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

What is CVE-2018-15434?

CVE-2018-15434 is a medium-severity cross-site scripting vulnerability in Cisco Unified IP Phone 7900 Series, published on 5 Oct 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability in the web-based management interface of Cisco Unified IP Phone 7900 Series could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit this vulnerability by persuading a user of the interface to click a malicious link. 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-2018-15434?

It affects 1 product.

Products include Cisco Skinny Client Control Protocol Software.

How do I fix CVE-2018-15434?

No fix has been published for CVE-2018-15434 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-2018-15434 being exploited?

There is no known exploitation of CVE-2018-15434 in the wild and no public exploit code.

Sources

Also known as GHSA-hgxm-hvqw-9m6p.