CVE-2021-33501 Cross-site scripting in n/a
Attackers can execute arbitrary code via XSS in Overwolf Client using a malicious overwolfstore:// URL.
- 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-2021-33501?
CVE-2021-33501 is a critical cross-site scripting vulnerability in n/a, published on 19 Jul 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
Overwolf Client 0.169.0.22 allows XSS, with resultant Remote Code Execution, via an overwolfstore:// URL.
Weakness: CWE-79
Which versions are affected by CVE-2021-33501?
It affects 1 product.
Products include Overwolf Overwolf.
How do I fix CVE-2021-33501?
No fix has been published for CVE-2021-33501 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-2021-33501 being exploited?
There is no known exploitation of CVE-2021-33501 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-cmv7-rp2h-mx5q.