CVE-2026-3155

Description

The OneSignal – Web Push Notifications plugin for WordPress is vulnerable to authorization bypass in versions up to, and including, 3.8.0. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to delete OneSignal metadata for arbitrary posts.

CVSS Vector

References

• https://plugins.trac.wordpress.org/changeset/3501190/onesignal-free-web-push-notifications
• https://www.wordfence.com/threat-intel/vulnerabilities/id/58337bbc-ba10-4876-b91c-78657afc67d1?source=cve