5.4

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2011-4632

CVE-2011-4632: Typo3 XSS Vulnerabilities

Cross-site Scripting (XSS) in TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to inject arbitrary web script or HTML via the tcemain flash message.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2011-4632

CVE-2011-4632:

5.4

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
typo3/cms	composer	< 4.3.12	4.3.12
typo3/cms	composer	>= 4.4.0, < 4.4.9	4.4.9
typo3/cms	composer	>= 4.5.0, < 4.5.4	4.5.4

Technical Details

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Root Cause Analysis

The vulnerability stems from improper sanitization of user-controlled input (page titles) in tcemain flash messages. The DataHandler (t3lib_tcemain.php) processes backend operations like copy/move, which includes unsanitized page titles in flash messages. These messages are then rendered without escaping in the backend via FlashMessageQueue. While the exact method for message construction isn't specified, process_cmdmap is central to command execution, and addMessage handles message storage. The high confidence for process_cmdmap comes from its role in handling the vulnerable operation flow, while addMessage has medium confidence due to potential sanitization occurring earlier in the chain.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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