CVE-2021-24539 Coming Soon, Under Construction & Maintenance Mode By Dazzler < 1.6.7 - Admin+ Stored Cross-Site Scripting
Authenticated attackers can inject malicious scripts via the description setting in the Coming Soon plugin, affecting frontend visitors.
- 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-2021-24539?
CVE-2021-24539 is a medium-severity cross-site scripting vulnerability in Unknown Coming Soon, Under Construction & Maintenance Mode By Dazzler, published on 1 Nov 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Coming Soon, Under Construction & Maintenance Mode By Dazzler WordPress plugin before 1.6.7 does not sanitise or escape its description setting when outputting it in the frontend when the Coming Soon mode is enabled, even when the unfiltered_html capability is disallowed, leading to an authenticated Stored Cross-Site Scripting issue
Weakness: CWE-79
Which versions are affected by CVE-2021-24539?
It affects 1 product.
Products include Dazzlersoftware Coming Soon\, Under Construction \& Maintenance Mode by Dazzler.
How do I fix CVE-2021-24539?
No fix has been published for CVE-2021-24539 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-2021-24539 being exploited?
There is no known exploitation of CVE-2021-24539 in the wild and no public exploit code.
Sources
Also known as GHSA-69pp-p7cg-9wx5.