Invisible Optin
Invisible Optin has one disclosed vulnerability in the WordSec catalog, all reported in 2025; it remains unpatched as of September 2026. Their average CVSS score is 6.1, and the most serious one scores 6.1 out of 10.
The most common weakness is Cross-Site Request Forgery (CSRF), behind 1 of the records (100%).
The one issue recorded for Invisible Optin has no published fix yet, which makes virtual patching the only reliable mitigation. The oldest unresolved one dates back to 2025.
All of these findings were reported by Nguyen Xuan Chien. Invisible Optin is installed on roughly 70 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 3.9.0.
CVE-2025-48311Invisible Optin <= 1.0 - Cross-Site Request Forgery to Stored Cross-Site Scripting
Read the full analysisVulnerability Records

Invisible Optin
Author
OffClicks
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