What is the CVSS score of CVE-2023-3666?

CVE-2023-3666 has a CVSS 3.1 base score of 3.3 (Low). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Sticky Side Buttons are affected by CVE-2023-3666?

CVE-2023-3666 is a low-severity vulnerability involving cross-site scripting (CVSS 3.3).

Is there a public PoC exploit available for CVE-2023-3666?

Yes, a public proof-of-concept exploit is available for CVE-2023-3666. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2023-3666?

During next maintenance window: Apply vendor patches when convenient. Verify cross-site scripting controls are in place.

Sticky Side Buttons CVE-2023-3666

LOW

Cross-site Scripting (XSS) (CWE-79)

2025-09-03 contact@wpscan.com

WordPress XSS Sticky Side Buttons

3.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

3.3 LOW

AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:10 vuln.today

PoC Detected

Jan 16, 2026 - 16:38 vuln.today

Public exploit code

CVE Published

Sep 03, 2025 - 06:15 nvd

LOW 3.3

DescriptionCVE.org

The Sticky Side Buttons WordPress plugin before 2.0.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

AnalysisAI

The Sticky Side Buttons WordPress plugin before 2.0.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting. Rated low severity (CVSS 3.3), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. The Sticky Side Buttons WordPress plugin before 2.0.0 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup) Affected products include: Maevelander Sticky Side Buttons. Version information: before 2.0.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.