CVE-2026-53739— Yoast Duplicate Post through 4.6 Cross-Site Request Forgery via duplicate_post_dismiss_notice
Quick assessment
Affected
Yoast Yoast Duplicate Post
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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
Possible ATT&CK Techniques 1 AI
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: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
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 POC
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No public POC found.
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Vendor Advisories for CVE-2026-53739 (1)
IV. Related Vulnerabilities
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V. Comments for CVE-2026-53739
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