CVE-2026-53739— Yoast Duplicate Post through 4.6 Cross-Site Request Forgery via duplicate_post_dismiss_notice
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Yoast | Yoast Duplicate Post | ≤ 4.6 | affected |
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I. Basic Information for CVE-2026-53739
Vulnerability Information
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Vulnerability Title
Yoast Duplicate Post through 4.6 Cross-Site Request Forgery via duplicate_post_dismiss_notice
Source: NVD (National Vulnerability Database)
Vulnerability Description
Yoast Duplicate Post through 4.6 contains a cross-site request forgery vulnerability in the duplicate_post_dismiss_notice handler, which verifies no nonce or capability. Attackers can trick any authenticated user into sending a request that sets the duplicate_post_show_notice site option, suppressing admin notices network-wide.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨站请求伪造(CSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin Yoast Duplicate Post 跨站请求伪造漏洞
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 Yoast Duplicate Post 4.6及之前版本存在跨站请求伪造漏洞，该漏洞源于duplicate_post_dismiss_notice处理程序中存在跨站请求伪造漏洞，该处理程序未验证随机数或能力。攻击者
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 |
|---|---|---|---|---|
| Yoast | Yoast Duplicate Post | 0 ~ 4.6 | - |
II. Public POCs for CVE-2026-53739
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Vendor Advisories for CVE-2026-53739 (1)
IV. Related Vulnerabilities
Same vendor: Yoast
- CVE-2026-53740
Yoast Duplicate Post through 4.6 Stored Cross-Site Scripting - CVE-2025-14481
Yoast SEO <= 26.5 - Insecure Direct Object Reference to Auth - CVE-2026-3427
Yoast SEO <= 27.1.1 - Authenticated (Contributor+) Stored Cr - CVE-2026-1217
Yoast Duplicate Post <= 4.5 - Authenticated (Contributor+) M - CVE-2019-25314
Duplicate-Post 3.2.3 - Persistent Cross-Site Scripting
Same weakness: CWE-352
- CVE-2026-57659
WordPress Paid Memberships Pro - Add Member From Admin plugi - CVE-2026-57657
WordPress Gmail SMTP plugin <= 1.2.3.19 - Cross Site Request - CVE-2026-57655
WordPress Child theme Wizard plugin <= 1.4 - Cross Site Requ - CVE-2026-57641
WordPress Real Estate 7 theme <= 3.5.9 - Cross Site Request - CVE-2026-57637
WordPress Abandoned Cart Lite for WooCommerce plugin <= 6.8.
V. Comments for CVE-2026-53739
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