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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.

PUBLISHED Reserved 2025-04-22 | Published 2025-04-25 | Updated 2026-04-08 | Assigner Wordfence




MEDIUM: 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unaffected

Any version
affected

Timeline

2025-04-24:Disclosed

Credits

JohSka finder

References

www.wordfence.com/...-c6ca-4666-8c7f-b22bb4a4961d?source=cve

plugins.trac.wordpress.org/...n/tags/1.0.0/gp_admin_page.php

wordpress.org/...ns/add-google-plus-one-social-share-button/

cve.org (CVE-2025-3866)

nvd.nist.gov (CVE-2025-3866)

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