CVE-2017-12366 Cross-site scripting in Cisco WebEx Meeting Center
An unauthenticated remote attacker can execute arbitrary script code or access sensitive browser-based information via a malicious link in Cisco WebEx Meeting Center.
- 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-2017-12366?
CVE-2017-12366 is a medium-severity cross-site scripting vulnerability in Cisco WebEx Meeting Center, published on 30 Nov 2017. 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 Cisco WebEx Meeting Center could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of an affected system. The vulnerability is due to insufficient input validation of some parameters that are passed to the web server of the affected system. An attacker could exploit this vulnerability by convincing a user to follow a malicious link or by intercepting a user request and injecting malicious code into the request. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected web interface or allow the attacker to access sensitive browser-based information. Cisco Bug IDs: CSCvf78635,, CSCvg52440.
Weakness: CWE-79
Which versions are affected by CVE-2017-12366?
It affects 1 product.
Products include Cisco Webex Meeting Center.
How do I fix CVE-2017-12366?
No fix has been published for CVE-2017-12366 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-2017-12366 being exploited?
There is no known exploitation of CVE-2017-12366 in the wild and no public exploit code.
Other vulnerabilities in Cisco WebEx Meeting Center
Sources
Also known as GHSA-5q2j-7fmc-m43j.