CVE-2022-27238 Cross-site scripting in n/a
Attackers can inject JavaScript via usernames in private chats, executing code in victims' browsers to potentially hijack sessions or steal data.
- 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-2022-27238?
CVE-2022-27238 is a medium-severity cross-site scripting vulnerability in n/a, published on 24 Jun 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
BigBlueButton version 2.4.7 (or earlier) is vulnerable to stored Cross-Site Scripting (XSS) in the private chat functionality. A threat actor could inject JavaScript payload in his/her username. The payload gets executed in the browser of the victim each time the attacker sends a private message to the victim or when notification about the attacker leaving room is displayed.
Weakness: CWE-79
Which versions are affected by CVE-2022-27238?
It affects 1 product.
Products include Bigbluebutton Bigbluebutton.
How do I fix CVE-2022-27238?
No fix has been published for CVE-2022-27238 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-2022-27238 being exploited?
There is no known exploitation of CVE-2022-27238 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-gx92-whgh-j9vf.