CVE-2022-20778 Cisco Webex Meetings 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 Cisco Webex Meetings.
- 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-2022-20778?
CVE-2022-20778 is a medium-severity cross-site scripting vulnerability in Cisco Webex Meetings, published on 21 Apr 2022. 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 authentication component of Cisco Webex Meetings could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based interface. This vulnerability is due to insufficient validation of user-supplied input by the web-based interface of the authentication component of Cisco Webex Meetings. An attacker could exploit this vulnerability by persuading a user of the interface to click a maliciously crafted 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-2022-20778?
It affects 1 product.
Products include Cisco Webex Meetings.
How do I fix CVE-2022-20778?
No fix has been published for CVE-2022-20778 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-2022-20778 being exploited?
There is no known exploitation of CVE-2022-20778 in the wild and no public exploit code.
Other vulnerabilities in Cisco Webex Meetings
- CVE-2017-12368 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
- CVE-2017-12369 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
- CVE-2017-12370 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
- CVE-2017-12371 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
- CVE-2017-12372 Memory corruption in Cisco WebEx Recording Format and Advanced Recording Format Players
Sources
Also known as GHSA-g79w-q84v-cx7q.