Stored Cross-Site Scripting in Sticky Side Buttons WordPress Plugin
CVE-2023-3666
Currently unrated
Key Information:
- Vendor
WordPress
- Status
- Vendor
- CVE Published:
- 3 September 2025
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2023-3666?
The Sticky Side Buttons WordPress plugin prior to version 2.0.0 is vulnerable to Stored Cross-Site Scripting due to inadequate sanitization and escaping of its settings. This flaw permits high privilege users, such as administrators, to execute XSS attacks, even if the unfiltered_html capability is not granted, particularly in multisite environments. Such vulnerabilities can severely compromise the integrity and security of web applications.
Affected Version(s)
Sticky Side Buttons 0 < 2.0.0
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.