CVE-2026-46721— Broken Access Control in extension "Frontend User Registration" (sf_register)
Affected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| TYPO3 | Extension "Frontend User Registration" | 14.0.0< 14.0.2 | affected |
< 13.2.4 | affected |
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I. Basic Information for CVE-2026-46721
Vulnerability Information
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Vulnerability Title
Broken Access Control in extension "Frontend User Registration" (sf_register)
Source: NVD (National Vulnerability Database)
Vulnerability Description
The create and edit flows do not restrict which user properties may be submitted and do not enforce access control on the frontend user group assignment. As a result, an attacker can assign an arbitrary frontend user group to a newly registered or edited account, gaining unauthorized access to content and functionality restricted to privileged frontend user groups.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-915
Source: NVD (National Vulnerability Database)
Vulnerability Title
TYPO3 Extension Frontend User Registration 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TYPO3 Extension Frontend User Registration是TYPO3开源的一个TYPO3前台用户注册扩展。 TYPO3 Extension Frontend User Registration存在安全漏洞，该漏洞源于创建和编辑流程未限制用户属性提交且未对前端用户组分配实施访问控制，可能导致攻击者将任意前端用户组分配给新注册或编辑的账户，从而未经授权访问受限制的内容和功能。
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 "Frontend User Registration" | 14.0.0 ~ 14.0.2 | - |
II. Public POCs for CVE-2026-46721
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|---|
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Advisory · 1
Same Patch Batch · TYPO3 · 2026-05-19 · 8 CVEs total
| CVE-2026-46722 | XML External Entity Injection in extension "Faceted Search" (ke_search) | |
| CVE-2026-46725 | Remote Code Execution in extension "Content Element Selector" (ceselector) | |
| CVE-2026-46723 | Information Disclosure in extension "Faceted Search" (ke_search) | |
| CVE-2026-46724 | Path Traversal in extension "Faceted Search" (ke_search) | |
| CVE-2026-8726 | SQL Injection in extension "News system" (news) | |
| CVE-2026-8727 | Remote Code Execution in extension "Site Crawler" (crawler) | |
| CVE-2026-8827 | SQL Injection in extension "Address List" (tt_address) |
IV. Related Vulnerabilities
Same vendor: TYPO3
- CVE-2026-46725
Remote Code Execution in extension "Content Element Selector - CVE-2026-8827
SQL Injection in extension "Address List" (tt_address) - CVE-2026-46724
Path Traversal in extension "Faceted Search" (ke_search) - CVE-2026-46723
Information Disclosure in extension "Faceted Search" (ke_sea - CVE-2026-46722
XML External Entity Injection in extension "Faceted Search"
Same weakness: CWE-915
- CVE-2026-8327
Concrete CMS below 9.5.0 and below is vulnerable to password - CVE-2026-6366
Drupal core - Moderately critical - Gadget Chain - SA-CORE-2 - CVE-2026-45396
Open WebUI: Mass Assignment via FeedbackForm extra=allow All - CVE-2026-45229
Quark Drive < 0.8.5 Mass Assignment via POST /update - CVE-2025-14341
Input Data Manipulation in DivvyDrive Information Technologi
V. Comments for CVE-2026-46721
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