CVE-2025-3866

Add Google +1 (Plus one) social share Button <= 1.0.0 - Cross-Site Request Forgery to Stored Cross-Site Scripting

6.1 Medium

The Add Google +1 (Plus one) social share Button plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0.0. This is due to missing or incorrect nonce validation on the google-plus-one-share-button page. This makes it possible for unauthenticated attackers to update settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.32%Up 0.3 points since Apr 25, 2025

What each source reports

CVE List Score used 6.1

Add Google +1 (Plus one) social share Button <= 1.0.0 - Cross-Site Request Forgery to Stored Cross-Site Scripting

Record: CVE-2025-3866
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-12392 6.1

Record: EUVD-2025-12392
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-4vcr-xh7r-34v9 6.1

The Add Google +1 (Plus one) social share Button plugin for WordPress is vulnerable to Cross-Site...

Record: GHSA-4vcr-xh7r-34v9
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

NVD 6.1

Record: CVE-2025-3866
CVSS 3.1: 6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

rohanpawale add google +1 (plus one) social share button

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-3866 is a medium vulnerability (CVSS 6.1) in Rohanpawale Add Google +1 (plus One) Social Share Button, published April 25, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.32%, the 24th percentile. No source names a fixed version.