CVE-2021-20784 Cross-site scripting in Everything
Remote attackers can inject arbitrary scripts or alter the website via HTTP header injection in the Everything file search utility.
- 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-2021-20784?
CVE-2021-20784 is a medium-severity cross-site scripting vulnerability in voidtools Everything, published on 14 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
HTTP header injection vulnerability in Everything version 1.0, 1.1, and 1.2 except the Lite version may allow a remote attacker to inject an arbitrary script or alter the website that uses the product.
Weakness: CWE-644
Which versions are affected by CVE-2021-20784?
It affects 1 product.
Products include Voidtools Everything.
How do I fix CVE-2021-20784?
No fix has been published for CVE-2021-20784 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-2021-20784 being exploited?
There is no known exploitation of CVE-2021-20784 in the wild and no public exploit code.
Other vulnerabilities in voidtools Everything
Sources
Also known as GHSA-vxfp-88g2-6m62.