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CVE-2026-3155

LOW 3.1 CVSS 3.1
Published
April 16, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

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.

Affected WordPress components

  • OneSignal – Web Push Notifications Plugin · onesignal-free-web-push-notifications
    Confirmed match Active
    Up to and including 3.8.0
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • onesignal OneSignal – Web Push Notifications — Up to and including 3.8.0

References

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