CVE-2025-3866 Add Google +1 (Plus one) social share Button <= 1.0.0 - Cross-Site Request Forgery to Stored Cross-Site Scripting
Unauthenticated attackers can trick administrators into updating settings and injecting malicious scripts via CSRF in the Add Google +1 social share Button plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-3866?
CVE-2025-3866 is a medium-severity vulnerability in rohanpawale Add Google +1 (Plus one) social share Button, published on 25 Apr 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2025-3866?
How do I fix CVE-2025-3866?
No fix has been published for CVE-2025-3866 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-3866 being exploited?
There is no known exploitation of CVE-2025-3866 in the wild and no public exploit code.
Sources
Also known as GHSA-4vcr-xh7r-34v9.