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CVE-2026-4202— Broken Access Control in extension "Redirect Tab"

Quick assessment

Affected
TYPO3 Extension "Redirect Tabs"
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.

TYPO3 Extension Redirect Tabs是Guido Schmechel个人开发者的一个页面重定向工具。 TYPO3 Extension Redirect Tabs 存在安全漏洞，该漏洞源于扩展程序未能验证经过身份验证的用户是否有权访问重定向，可能导致编辑页面时暴露重定向记录。

AI Predicted 5.3 Difficulty: Easy EPSS 0.27% · P17
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I. Basic Information for CVE-2026-4202

Vulnerability Information
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Vulnerability Title
Broken Access Control in extension "Redirect Tab"
Source: CVE Program / CVE List V5
Vulnerability Description
The extension fails to verify, if an authenticated user has permissions to access to redirects resulting in exposure of redirect records when editing a page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
TYPO3 Extension Redirect Tabs 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TYPO3 Extension Redirect Tabs是Guido Schmechel个人开发者的一个页面重定向工具。 TYPO3 Extension Redirect Tabs 存在安全漏洞，该漏洞源于扩展程序未能验证经过身份验证的用户是否有权访问重定向，可能导致编辑页面时暴露重定向记录。
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
TYPO3 Extension "Redirect Tabs" 4.0.0 ~ 4.0.5 -

II. Public POCs for CVE-2026-4202

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III. Intelligence Information for CVE-2026-4202

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Vendor Advisories for CVE-2026-4202 (1)

Same Patch Batch · TYPO3 · 2026-03-17 · 3 CVEs total

CVE-2026-4208 Authentication Bypass in extension "E-Mail MFA Provider" (mfa_email)
CVE-2026-1323 Insecure Deserialization in extension "Mailqueue" (mailqueue)

IV. Related Vulnerabilities

Same vendor: TYPO3
Same weakness: CWE-862

V. Comments for CVE-2026-4202

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