PT-2025-51227 · WordPress · Onesignal-Free-Web-Push-Notifications

Marcin Dudek · Published 2025-12-15 · Updated 2025-12-15 · CVE-2025-13950

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/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 through 3.6.1

Description The OneSignal – Web Push Notifications plugin for WordPress is susceptible to unauthorized modification of data. This occurs because of a missing capability check when handling settings, allowing attackers to directly modify the OneSignal App ID, REST API key, and notification behavior through POST requests without authentication. The plugin processes POST requests without verifying user capabilities or nonces.

Recommendations Update to version 3.6.2 or later.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2025-13950

Affected Products

Onesignal-Free-Web-Push-Notifications

References · 8

• https://osv.dev/vulnerability/CVE-2025-13950 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-13950 · Security Note
• https://github.com/OneSignal/OneSignal-WordPress-Plugin/pull/387/files · Note
• https://t.me/CVEtracker/39836 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2000615235229552698 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/cf2b5d05-24a3-4bc8-9dde-a7e8ce13ea16?source=cve · Note
• https://twitter.com/CVEnew/status/2000611202075140259 · Twitter Post
• https://twitter.com/VolerionSec/status/2000587549664858434 · Twitter Post