CVE-2021-34364 Cross-site scripting in n/a
A cross-site scripting vulnerability in the Refined GitHub browser extension allows attackers to execute arbitrary scripts via malicious links.
- 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-2021-34364?
CVE-2021-34364 is a medium-severity cross-site scripting vulnerability in n/a, published on 9 Jun 2021. 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
The Refined GitHub browser extension before 21.6.8 might allow XSS via a link in a document. NOTE: github.com sends Content-Security-Policy headers to, in general, address XSS and other concerns.
Weakness: CWE-79
Which versions are affected by CVE-2021-34364?
It affects 1 product.
Products include Refined-Github Project Refined-Github.
How do I fix CVE-2021-34364?
No fix has been published for CVE-2021-34364 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-2021-34364 being exploited?
There is no known exploitation of CVE-2021-34364 in the wild and no public exploit code.
Sources
Also known as GHSA-h8gx-qmvv-cjw4.