CVE-2021-25063 Contact Form 7 Skins < 2.5.1 - Reflected Cross-Site Scripting (XSS)
Reflected XSS in Contact Form 7 Skins plugin allows attackers to execute arbitrary scripts in admin pages via the tab parameter.
- 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-2021-25063?
CVE-2021-25063 is a medium-severity cross-site scripting vulnerability in Unknown Skins for Contact Form 7, published on 1 Feb 2022. 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 Skins for Contact Form 7 WordPress plugin before 2.5.1 does not sanitise and escape the tab parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting
Weakness: CWE-79
Which versions are affected by CVE-2021-25063?
It affects 1 product.
Products include Cf7skins Contact Form 7 Skins.
How do I fix CVE-2021-25063?
No fix has been published for CVE-2021-25063 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-2021-25063 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-25063 exists.
Public exploit code: 1 Nuclei template.
Sources
Also known as GHSA-g78w-xr4j-vmwx.