CVE-2018-15436 Cisco Webex Centers Cross-Site Scripting Vulnerability
An unauthenticated remote attacker can execute arbitrary script code or access sensitive browser-based information by tricking a user into clicking a malicious link in the Webex management 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-2018-15436?
CVE-2018-15436 is a medium-severity cross-site scripting vulnerability in Cisco Webex Meetings Online, 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 Webex Events Center, Cisco Webex Meeting Center, Cisco Webex Support Center, and Cisco Webex Training Center could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of the affected service. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected service. 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-2018-15436?
It affects 4 products.
Products include Cisco Webex Business Suite 31, Cisco Webex Business Suite 32, Cisco Webex Business Suite 33, Cisco Webex Meetings Online.
How do I fix CVE-2018-15436?
No fix has been published for CVE-2018-15436 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-2018-15436 being exploited?
There is no known exploitation of CVE-2018-15436 in the wild and no public exploit code.
Other vulnerabilities in Cisco Webex Meetings Online
- CVE-2018-0264 Code injection in Cisco WebEx Advanced Recording Format file players
- CVE-2018-0112 Code injection in Cisco WebEx Clients
- CVE-2018-15409 Cisco Webex Network Recording Player and Cisco Webex Player Remote Code Execution Vulnerabilities
- CVE-2018-15410 Cisco Webex Network Recording Player and Cisco Webex Player Remote Code Execution Vulnerabilities
- CVE-2018-15418 Cisco Webex Network Recording Player and Cisco Webex Player Remote Code Execution Vulnerabilities
Sources
Also known as GHSA-c26c-g6cg-x6vp.