CVE-2021-24373 WP Hardening < 1.2.2 - Reflected XSS via historyvalue
Attackers can execute arbitrary JavaScript in victim browsers via unsanitized input in the WP Hardening WordPress plugin.
- 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-2021-24373?
CVE-2021-24373 is a medium-severity cross-site scripting vulnerability in Unknown WP Hardening – Fix Your WordPress Security, published on 21 Jun 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 WP Hardening – Fix Your WordPress Security WordPress plugin before 1.2.2 did not sanitise or escape the historyvalue GET parameter before outputting it in a Javascript block, leading to a reflected Cross-Site Scripting issue.
Weakness: CWE-79
Which versions are affected by CVE-2021-24373?
It affects 1 product.
Products include Getastra Wp Hardening.
How do I fix CVE-2021-24373?
No fix has been published for CVE-2021-24373 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-2021-24373 being exploited?
There is no known exploitation of CVE-2021-24373 in the wild and no public exploit code.
Other vulnerabilities in Unknown WP Hardening – Fix Your WordPress Security
Sources
Also known as GHSA-fvfr-gwjc-3cpp.