CVE-2026-3155— OneSignal – Web Push Notifications <= 3.8.0 - Missing Authorization to Authenticated (Subscriber+) Post Meta Deletion via 'post_id'
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I. Basic Information for CVE-2026-3155
Vulnerability Information
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Vulnerability Title
OneSignal – Web Push Notifications <= 3.8.0 - Missing Authorization to Authenticated (Subscriber+) Post Meta Deletion via 'post_id'
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin OneSignal – Web Push Notifications 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin OneSignal – Web Push Notifications 3.8.0及之前版本存在安全漏洞，该漏洞源于授权验证不当，可能导致授权绕过。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| onesignal | OneSignal – Web Push Notifications | 0 ~ 3.8.0 | - |
II. Public POCs for CVE-2026-3155
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|---|
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IV. Related Vulnerabilities
Same weakness: CWE-862
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