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CVE-2026-5306— Check & Log Email < 2.0.13 - Unauthenticated Stored XSS

Quick assessment

Affected
Unknown Check & Log Email
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 Check & Log Email 2.0.13之前版本存在安全漏洞，该漏洞源于电子邮件替换处理不当，可能导致存储型XSS攻击。

AI Predicted 6.1 Difficulty: Easy EPSS 0.25% · P14
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I. Basic Information for CVE-2026-5306

Vulnerability Information
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Vulnerability Title
Check & Log Email < 2.0.13 - Unauthenticated Stored XSS
Source: CVE Program / CVE List V5
Vulnerability Description
The Check & Log Email WordPress plugin before 2.0.13 does not properly handle email replacement, which could allow unauthenticated users to perform Stored XSS attacks when the email encoder setting is enabled
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Check & Log Email 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 Check & Log Email 2.0.13之前版本存在安全漏洞，该漏洞源于电子邮件替换处理不当，可能导致存储型XSS攻击。
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
Unknown Check & Log Email 0 ~ 2.0.13 -

II. Public POCs for CVE-2026-5306

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III. Intelligence Information for CVE-2026-5306

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Vendor Advisories for CVE-2026-5306 (1)

IV. Related Vulnerabilities

Same product: Check & Log Email
Same vendor: Unknown

V. Comments for CVE-2026-5306

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