CVE-2026-3174

Event Tickets and Registration <= 5.27.4 - Missing Authorization to Unauthenticated Stripe Credentials Update

Published: Sep 8, 2026Updated: Sep 9, 2026 Sources: CVE List NVDCWE-862

7.5HIGH

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.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:NPrivileges Required

None

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:NConfidentiality

None

I:HIntegrity

High

A:NAvailability

None

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Weaknesses

CWE-862

Affected Products

stellarwp

commercial

Event Tickets and RegistrationOn-premCMS Plugin

Web & CMS Plugins / wordpress-plugin

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Initial Access

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References

https://www.wordfence.com/threat-intel/vulnerabilities/id/8b13a072-f90f-4982-b4d1-d0b9903e59ea?source=cve

wordfence.com

https://plugins.trac.wordpress.org/browser/event-tickets/trunk/src/Tickets/Commerce/Gateways/Stripe/REST/Return_Endpoint.php#L50

plugins.trac.wordpress.org

https://plugins.trac.wordpress.org/browser/event-tickets/trunk/src/Tickets/Commerce/Gateways/Stripe/Merchant.php#L208

plugins.trac.wordpress.org

and 1 more references View all →

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