CVE-2021-24437 Favicon by RealFaviconGenerator <= 1.3.20 - Reflected Cross-Site Scripting (XSS)
Reflected XSS in Favicon by RealFaviconGenerator allows attackers to execute scripts in the context of logged administrators.
- 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-2021-24437?
CVE-2021-24437 is a medium-severity cross-site scripting vulnerability in Unknown Favicon by RealFaviconGenerator, published on 30 Aug 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 Favicon by RealFaviconGenerator WordPress plugin through 1.3.20 does not sanitise or escape one of its parameter before outputting it back in the response, leading to a Reflected Cross-Site Scripting (XSS) which is executed in the context of a logged administrator.
Weakness: CWE-79
Which versions are affected by CVE-2021-24437?
It affects 1 product.
Products include Realfavicongenerator Favicon by Realfavicongenerator.
How do I fix CVE-2021-24437?
No fix has been published for CVE-2021-24437 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-2021-24437 being exploited?
There is no known exploitation of CVE-2021-24437 in the wild and no public exploit code.
Other vulnerabilities in Unknown Favicon by RealFaviconGenerator
Sources
Also known as GHSA-cw69-2q7p-cmfx.