CVE-2026-3174 — Event Tickets and Registration <= 5.27.4 - Missing Authorization to Unauthenticated Stripe Credentials Update
The Event Tickets and Registration plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the Stripe OAuth return endpoint …
Published: 2026-09-08 · CVSS: 7.5 · CVSS 3.1
The Event Tickets and Registration plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the Stripe OAuth return endpoint in all versions up to, and including, 5.27.4. This makes it possible for unauthenticated attackers to overwrite the site's Stripe merchant credentials (access tokens, publishable keys, and account ID), diverting all subsequent payment processing to the attacker's Stripe account.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7