CVE-2021-25112 WHMCS Bridge < 6.4b - Reflected Cross-Site Scripting (XSS)
Attackers can inject malicious scripts into the admin dashboard via the error parameter, potentially compromising administrator accounts.
- 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-2021-25112?
CVE-2021-25112 is a medium-severity cross-site scripting vulnerability in Unknown WHMCS Bridge, published on 28 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 WHMCS Bridge WordPress plugin before 6.4b does not sanitise and escape the error parameter before outputting it back in admin dashboard, leading to a Reflected Cross-Site Scripting
Weakness: CWE-79
Which versions are affected by CVE-2021-25112?
It affects 1 product.
Products include I-Plugins Whmcs Bridge.
How do I fix CVE-2021-25112?
No fix has been published for CVE-2021-25112 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-2021-25112 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-25112 exists.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in Unknown WHMCS Bridge
Sources
Also known as GHSA-pv99-qp9p-g563.