WordPress Plugin Vulnerabilities

Paid Member Subscriptions < 3.1.0 - Unauthenticated reCAPTCHA Bypass via Registration Form

Description

The plugin does not verify the reCAPTCHA on its registration handler when a form field is absent from the request, allowing unauthenticated users to create accounts without solving the reCAPTCHA the site has enabled.

Proof of Concept

Affects Plugins

References

Miscellaneous

Original Researcher
Naoki Kawahigashi
Submitter
Naoki Kawahigashi
Verified
Yes

Timeline

Publicly Published
2026-09-21 (about 2 days ago)
Added
2026-09-21 (about 1 day ago)
Last Updated
2026-09-21 (about 1 day ago)

Other