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CVE-2026-5305— Email Address Encoder (Free < 1.0.25, Premium < 0.3.12) - Unauthenticated Stored XSS

Quick assessment

Affected
Unknown Email Address Encoder
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.

tillkruss email address encoder是tillkruss个人开发者开源的一个保护电子邮件地址的编码工具。 tillkruss Email Address Encoder 1.0.25之前版本存在跨站脚本漏洞，该漏洞源于邮件替换处理不当，可能导致未经身份验证的用户执行存储型跨站脚本攻击。

AI Predicted 6.1 Difficulty: Easy EPSS 0.51% · P43

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 2

VendorProduct Version RangeStatus
Unknown Email Address Encoder < 1.0.25 affected
Unknown email-encoder-premium < 0.3.12 affected
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I. Basic Information for CVE-2026-5305

Vulnerability Information
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Vulnerability Title
Email Address Encoder (Free < 1.0.25, Premium < 0.3.12) - Unauthenticated Stored XSS
Source: CVE Program / CVE List V5
Vulnerability Description
The Email Address Encoder WordPress plugin before 1.0.25, email-encoder-premium WordPress plugin before 0.3.12 does not properly handle email replacement, which could allow unauthenticated users to perform Stored XSS attacks
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
tillkruss Email Address Encoder 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
tillkruss email address encoder是tillkruss个人开发者开源的一个保护电子邮件地址的编码工具。 tillkruss Email Address Encoder 1.0.25之前版本存在跨站脚本漏洞，该漏洞源于邮件替换处理不当，可能导致未经身份验证的用户执行存储型跨站脚本攻击。
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 Email Address Encoder 0 ~ 1.0.25 -
Unknown email-encoder-premium 0 ~ 0.3.12 -

II. Public POCs for CVE-2026-5305

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

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III. Intelligence Information for CVE-2026-5305

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Vendor Advisories for CVE-2026-5305 (1)

Same Patch Batch · Unknown · 2026-06-25 · 3 CVEs total

CVE-2026-9702 InPost PL < 1.9.1 - Unauthenticated WooCommerce Order Parcel-Locker Hijacking
CVE-2026-10824 Masteriyo LMS < 2.2.1 - Unauthenticated Course Progress Disclosure and Deletion

IV. Related Vulnerabilities

Same product: Email Address Encoder
Same vendor: Unknown