CVE-2020-27642 Cross-site scripting in n/a
An XSS vulnerability in the merge account feature allows attackers to inject scripts, potentially leading to session hijacking or account takeover.
- 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-2020-27642?
CVE-2020-27642 is a medium-severity cross-site scripting vulnerability in n/a, published on 22 Oct 2020. 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 cross-site scripting (XSS) vulnerability exists in the 'merge account' functionality in admins.js in BigBlueButton Greenlight 2.7.6.
Weakness: CWE-79
Which versions are affected by CVE-2020-27642?
It affects 1 product.
Products include Bigbluebutton Greenlight.
How do I fix CVE-2020-27642?
No fix has been published for CVE-2020-27642 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-2020-27642 being exploited?
There is no known exploitation of CVE-2020-27642 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2022-36028 BigBlueButton Greenlight Open Redirect vulnerability
- CVE-2022-36029 BigBlueButton Greenlight Open Redirect vulnerability
- CVE-2020-26163 Open redirect in n/a
- CVE-2022-26497 Cross-site scripting in n/a
- CVE-2022-31039 Improper privilege management - Anyone can view room settings in GreenLight
Sources
Also known as GHSA-vfp2-qcr6-2pj6.