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CVE-2026-46725— Remote Code Execution in extension "Content Element Selector" (ceselector)

AI Predicted 9.8 Difficulty: Easy EPSS 0.35% · P58

Possible ATT&CK Techniques 1AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProductVersion RangeStatus
TYPO3Extension "Content Element Selector"6.0.0< 6.0.1affected
5.0.0< 5.0.1affected
4.0.0< 4.0.2affected
< 3.0.3affected
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I. Basic Information for CVE-2026-46725

Vulnerability Information
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Vulnerability Title
Remote Code Execution in extension "Content Element Selector" (ceselector)
Source: NVD (National Vulnerability Database)
Vulnerability Description
The extension passes an attacker-controlled cookie directly to PHP's unserialize() without safely processing the input. A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server. Exploitation requires the content element to be configured with "Persistent Mode: Static" in the plugin settings.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
可信数据的反序列化
Source: NVD (National Vulnerability Database)
Vulnerability Title
TYPO3 Extension Content Element Selector 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TYPO3 Extension Content Element Selector是TYPO3开源的一个TYPO3内容元素选择扩展。 TYPO3 Extension Content Element Selector存在代码问题漏洞，该漏洞源于扩展直接将攻击者控制的cookie传递给PHP的unserialize()而未安全处理输入，可能导致远程未认证攻击者提供特制序列化有效载荷触发PHP对象注入，导致远程代码执行。
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

VendorProductAffected VersionsCPESubscribe
TYPO3Extension "Content Element Selector" 6.0.0 ~ 6.0.1 -

II. Public POCs for CVE-2026-46725

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III. Intelligence Information for CVE-2026-46725

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Vendor Advisories for CVE-2026-46725 (1)

Same Patch Batch · TYPO3 · 2026-05-19 · 8 CVEs total

CVE-2026-46722XML External Entity Injection in extension "Faceted Search" (ke_search)
CVE-2026-46721Broken Access Control in extension "Frontend User Registration" (sf_register)
CVE-2026-46723Information Disclosure in extension "Faceted Search" (ke_search)
CVE-2026-46724Path Traversal in extension "Faceted Search" (ke_search)
CVE-2026-8726SQL Injection in extension "News system" (news)
CVE-2026-8727Remote Code Execution in extension "Site Crawler" (crawler)
CVE-2026-8827SQL Injection in extension "Address List" (tt_address)

IV. Related Vulnerabilities

Same vendor: TYPO3
Same weakness: CWE-502

V. Comments for CVE-2026-46725

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