CVE-2018-15461 Cisco Webex Business Suite Cross-Site Scripting Vulnerability

Medium 6.1 Published Updated

An unauthenticated remote attacker can execute arbitrary scripts in a victim's browser via a crafted URL in Cisco Webex Business Suite.

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-2018-15461?

CVE-2018-15461 is a medium-severity cross-site scripting vulnerability in Cisco WebEx Meeting Center, published on 10 Jan 2019. 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 MyWebex component of Cisco Webex Business Suite could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. The vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by convincing a user to click a crafted URL. To exploit this vulnerability, the attacker may provide a link that directs a user to a malicious site and use misleading language or instructions to persuade the user to follow the provided link.

Weakness: CWE-79

Which versions are affected by CVE-2018-15461?

It affects 1 product.

Products include Cisco Webex Business Suite.

How do I fix CVE-2018-15461?

No fix has been published for CVE-2018-15461 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-2018-15461 being exploited?

There is no known exploitation of CVE-2018-15461 in the wild and no public exploit code.

Sources

Also known as GHSA-jrf2-44jj-32mp.

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