CVE-2026-3174
Event Tickets and Registration <= 5.27.4 - Missing Authorization to Unauthenticated Stripe Credentials Update
CVE-2026-3174 is a high vulnerability (CVSS 7.5) in Stellarwp Event Tickets And Registration, published September 8, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 40th percentile. No source names a fixed version.
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
7.5
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 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.
- Record
CVE-2026-3174- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2026-72697
7.5
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.
- Record
EUVD-2026-72697- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-5qhm-7c6f-ffj5
7.5
The Event Tickets and Registration plugin for WordPress is vulnerable to unauthorized...
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.
- Record
GHSA-5qhm-7c6f-ffj5- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
NVD
7.5
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.
- Record
CVE-2026-3174- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-02 | created | CVE List, EUVD, GitHub Advisories, NVD |
References
wordfence.com/threat-intel/vulnerabilities/id/8b13a072-f90f-4982-b4d1-d0b9903e59ea?source=cve
plugins.trac.wordpress.org/browser/event-tickets/trunk/src/Tickets/Commerce/Gateways/Stripe/REST/Return_Endpoint.php
plugins.trac.wordpress.org/browser/event-tickets/trunk/src/Tickets/Commerce/Gateways/Stripe/Merchant.php
plugins.trac.wordpress.org/changeset/3472837
nvd.nist.gov/vuln/detail/CVE-2026-3174
github.com/advisories/GHSA-5qhm-7c6f-ffj5