PT-2026-33307 · Onesignal+1 · Onesignal-Free-Web-Push-Notifications

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CVE-2026-3155

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Published

2026-04-15

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Updated

2026-04-16

CVSS v3.1

3.1

Low

VectorAV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Name of the Vulnerable Software and Affected Versions OneSignal – Web Push Notifications plugin for WordPress versions prior to 3.8.1
Description An authorization bypass exists because the plugin fails to properly verify if a user is authorized to perform specific actions. This allows authenticated attackers with subscriber-level access or higher to delete OneSignal metadata for arbitrary posts.
Recommendations Update the plugin to a version newer than 3.8.0.

Fix

Missing Authorization

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Weakness Enumeration

Related Identifiers

CVE-2026-3155

Affected Products

Onesignal-Free-Web-Push-Notifications