N/A

CVSS Score

-

CVSS Score

Basic Information

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GHSA-h934-f4m4-wc8x

GHSA-h934-f4m4-wc8x: Typo3 Information Disclosure in Page Tree

It has been discovered backend users not having read access to specific pages still could see them in the page tree which actually should be disallowed. A valid backend user account is needed in order to exploit this vulnerability.

(GitHub Advisory)

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GHSA-h934-f4m4-wc8x

GHSA-h934-f4m4-wc8x:

N/A

CVSS Score

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
typo3/cms	composer	>= 9.0.0, < 9.5.6	9.5.6

Technical Details

Vulnerability Intelligence
Miggo AI

Root Cause Analysis

The vulnerability centers on improper access control in the page tree rendering. TYPO3's page tree construction uses PageTreeRepository to fetch hierarchical data. The affected versions (<9.5.6) lacked proper read-permission enforcement in the tree data aggregation process. The function responsible for fetching tree items (fetchFilteredTreeItems or equivalent) would have failed to properly filter out pages where the backend user lacked 'read' permissions. This matches the vulnerability description where unauthorized pages remained visible despite access restrictions. The high confidence comes from the direct correlation between the vulnerability's nature and the core page tree data fetching mechanism in the backend module.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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