What is CVE-2025-3866?

CVE-2025-3866 is a medium-severity vulnerability in Rohanpawale Add Google +1 (Plus One) Social Share Button, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-04-25.

How severe is CVE-2025-3866?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Rohanpawale Add Google +1 (Plus One) Social Share Button

CVE-2025-3866

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (22.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Rohanpawale Add Google +1 (Plus One) Social Share Button — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2025-3866?: CVE-2025-3866 is a medium-severity vulnerability in Rohanpawale Add Google +1 (Plus One) Social Share Button, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-04-25.
How severe is CVE-2025-3866?: Medium severity. CVSS v3 base score is 6.1 out of 10.