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Vulnerability Intelligence
Miggo AI
Miggo AIMiggo AI
PHPPHP| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| typo3/cms | composer | >= 8.0.0, < 8.7.23 | 8.7.23 |
| typo3/cms | composer | >= 9.0.0, < 9.5.4 | 9.5.4 |
Miggo AIRoot Cause AnalysisThe vulnerability stems from three Fluid ViewHelpers that improperly handled user input encoding. The commit diff shows critical fixes: 1) HtmlentitiesViewHelper switched from ENT_COMPAT to ENT_QUOTES (to encode single quotes) and added string casting, 2) StripTagsViewHelper and UrlencodeViewHelper added checks for __toString() objects and enforced string casting. These functions directly process user input for output rendering, and their pre-patch behavior allowed XSS vectors through incomplete encoding and object handling. The test cases added in the commit explicitly verify proper encoding of objects with __toString(), confirming these were the vulnerable points.
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