CVE-2026-3718— ManageWP Worker <= 4.9.31 - Unauthenticated Stored Cross-Site Scripting via 'MWP-Key-Name' Header
Possible ATT&CK Techniques 1AI
T1059.007 · JavaScriptAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| managewp | ManageWP Worker | ≤ 4.9.31 | affected |
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I. Basic Information for CVE-2026-3718
Vulnerability Information
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Vulnerability Title
ManageWP Worker <= 4.9.31 - Unauthenticated Stored Cross-Site Scripting via 'MWP-Key-Name' Header
Source: NVD (National Vulnerability Database)
Vulnerability Description
The ManageWP Worker plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'MWP-Key-Name' HTTP request header in all versions up to, and including, 4.9.31. This is due to insufficient input sanitization and output escaping of attacker-controlled header values. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever an administrator visits the plugin's connection management page with debug parameters.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| managewp | ManageWP Worker | 0 ~ 4.9.31 | - |
II. Public POCs for CVE-2026-3718
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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IV. Related Vulnerabilities
Same weakness: CWE-79
- CVE-2021-47981
Quick.CMS 6.7 Cross-Site Scripting via CSRF to Sliders Form - CVE-2021-47975
WordPress Plugin WP Learn Manager 1.1.2 Stored XSS - CVE-2021-47957
WordPress Plugin Cookie Law Bar 1.2.1 Stored XSS via clb_bar - CVE-2021-47955
CouchCMS 2.2.1 Cross-Site Scripting via SVG File Upload - CVE-2021-47934
MyBB Timeline Plugin 1.0 Cross-Site Scripting and CSRF
V. Comments for CVE-2026-3718
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