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CVE · Low

CVE-2026-3155 — OneSignal – Web Push Notifications [onesignal-free-web-push-notifications] < 3.8.1

CVE Vulnerability Type Severity Affected Fixed in Published Status
CVE-2026-3155 OneSignal – Web Push Notifications [onesignal-free-web-push-notifications] < 3.8.1 Missing Authorization Low 3.1 < 3.8.1 3.8.1 2026-04-15

CVE-2026-3155

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.

Source: CVE.org

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