CVE-2021-24992 Buttonizer - Smart Floating Action Button < 2.5.5 - Admin+ Stored Cross-Site Scripting
High-privilege users can inject malicious scripts via unsanitized parameters in the Buttonizer WordPress plugin, leading to stored XSS.
- 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-2021-24992?
CVE-2021-24992 is a medium-severity cross-site scripting vulnerability in Unknown Smart Floating / Sticky Buttons – Call, Sharing, Chat Widgets & More – Buttonizer, published on 27 Dec 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Smart Floating / Sticky Buttons WordPress plugin before 2.5.5 does not sanitise and escape some parameter before outputting them in attributes and page, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed.
Weakness: CWE-79
Which versions are affected by CVE-2021-24992?
It affects 1 product.
Products include Buttonizer Buttonizer.
How do I fix CVE-2021-24992?
No fix has been published for CVE-2021-24992 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-2021-24992 being exploited?
There is no known exploitation of CVE-2021-24992 in the wild and no public exploit code.
Sources
Also known as GHSA-3c38-2c7r-g6j4.