CVE-2017-12294 Cross-site scripting in Cisco WebEx Meetings Server
An authenticated attacker can inject malicious scripts into the WebEx Meetings Server interface, allowing arbitrary code execution or data theft in the victim's browser.
- 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-2017-12294?
CVE-2017-12294 is a medium-severity cross-site scripting vulnerability in Cisco Webex Meetings Server, published on 2 Nov 2017. 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 Cisco WebEx Meetings Server could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the 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: CSCvf85562.
Weakness: CWE-79
Which versions are affected by CVE-2017-12294?
It affects 1 product.
Products include Cisco Webex Meetings Server.
How do I fix CVE-2017-12294?
No fix has been published for CVE-2017-12294 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-2017-12294 being exploited?
There is no known exploitation of CVE-2017-12294 in the wild and no public exploit code.
Other vulnerabilities in Cisco Webex Meetings Server
- CVE-2017-12367 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
- CVE-2015-0589 Command injection in n/a
- CVE-2017-3794 Cross-site request forgery in Cisco WebEx Meetings Server 2.6
- CVE-2016-1448 Cross-site request forgery in n/a
- CVE-2016-1446 SQL injection in n/a
Sources
Also known as GHSA-c2fm-4wh2-gq83.