CVE-2026-85653— Contextual Related Posts <= 4.4.1 - Authenticated (Author+) Stored Cross-Site Scripting via 'other_attributes' Block Parameter
Quick assessment
Affected
ajay Contextual Related Posts
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 插件 Contextual Related Posts 在包括 4.4.1 在内的所有版本中，由于输入消毒不足和输出转义不充分，存在存储型跨站脚本（Stored XSS）漏洞，该漏洞通过“other_attributes”块参数利用。这使得拥有作者权限或更高权限的已认证攻击者能够在页面中注入任意 Web 脚本，当用户访问被注入的页面时，这些脚本将自动执行。
Affected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| ajay | Contextual Related Posts | ≤ 4.4.1 |
affected |
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I. Basic Information for CVE-2026-85653
Vulnerability Information
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Vulnerability Title
Contextual Related Posts <= 4.4.1 - Authenticated (Author+) Stored Cross-Site Scripting via 'other_attributes' Block Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Contextual Related Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'other_attributes' Block Parameter in all versions up to, and including, 4.4.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ajay | Contextual Related Posts | 0 ~ 4.4.1 | - |
|
II. Public POCs for CVE-2026-85653
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-85653 (4)
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V. Comments for CVE-2026-85653
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