CVE-2021-25101 Anti-Malware Security and Brute-Force Firewall < 4.20.94 - Admin+ Reflected Cross-Site Scripting
An admin user can inject malicious scripts into admin pages via unsanitized POST data, affecting other admin users.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-25101?
CVE-2021-25101 is a medium-severity cross-site scripting vulnerability in Unknown Anti-Malware Security and Brute-Force Firewall, published on 21 Feb 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Anti-Malware Security and Brute-Force Firewall WordPress plugin before 4.20.94 does not sanitise and escape the POST data before outputting it back in attributes of an admin page, leading to a Reflected Cross-Site scripting. Due to the presence of specific parameter value, available to admin users, this can only be exploited by an admin against another admin user.
Weakness: CWE-79
Which versions are affected by CVE-2021-25101?
It affects 1 product.
Products include Anti-Malware Security and Brute-Force Firewall Project Anti-Malware Security and Brute-Force Firewall.
How do I fix CVE-2021-25101?
No fix has been published for CVE-2021-25101 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-2021-25101 being exploited?
There is no known exploitation of CVE-2021-25101 in the wild and no public exploit code.
Other vulnerabilities in Unknown Anti-Malware Security and Brute-Force Firewall
Sources
Also known as GHSA-9v6h-h8cq-vv39.