CVE-2026-5306— Check & Log Email < 2.0.13 - Unauthenticated Stored XSS
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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: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
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
| # | POC Description | Source Link | Shenlong Link |
|---|
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- Check & Log Email < 2.0.13 – Unauthenticated Stored XSS | CVE 2026-5306 | Plugin Vulnerabilitiesexploitvdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2026-5306
IV. Related Vulnerabilities
Same vendor: Unknown
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Magic Export & Import < 1.2.0 - Unauthenticated PII Disclosu - CVE-2026-5337
Frontend File Manager Plugin <= 23.6 - Subscriber+ Arbitrary - CVE-2026-4512
WP reCaptcha by WebDesignBy < 2.0 – Admin+ Stored XSS
V. Comments for CVE-2026-5306
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