CVE-2026-3174 Event Tickets and Registration <= 5.27.4 - Missing Authorization to Unauthenticated Stripe Credentials Update
Unauthenticated attackers can overwrite Stripe credentials in the Event Tickets plugin, diverting payments to their own accounts.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-3174?
CVE-2026-3174 is a high-severity missing authorization vulnerability in stellarwp Event Tickets and Registration, published on 8 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-862
Which versions are affected by CVE-2026-3174?
How do I fix CVE-2026-3174?
No fix has been published for CVE-2026-3174 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-3174 being exploited?
There is no known exploitation of CVE-2026-3174 in the wild and no public exploit code.
Sources
Also known as GHSA-5qhm-7c6f-ffj5.