CVE-2021-41823 Cross-site scripting in n/a
An XSS protection bypass in Kemp LoadMaster WAF allows attackers to execute scripts via onmouseover events, requiring a software upgrade.
- 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-2021-41823?
CVE-2021-41823 is a medium-severity cross-site scripting vulnerability in n/a, published on 1 Jan 2023. 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 Web Application Firewall (WAF) in Kemp LoadMaster 7.2.54.1 allows certain uses of onmouseover to bypass an XSS protection mechanism.
Weakness: CWE-79
Which versions are affected by CVE-2021-41823?
It affects 1 product.
Products include Kemptechnologies Web Application Firewall.
How do I fix CVE-2021-41823?
No fix has been published for CVE-2021-41823 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-2021-41823 being exploited?
There is no known exploitation of CVE-2021-41823 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-8q3m-vc4w-chfw.