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| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| phpmyadmin/phpmyadmin | composer | >= 4.6, < 4.6.6 | 4.6.6 |
The vulnerability stems from improper input validation in path handling. The commit 3b6ed1f modifies PMA_cleanupPathInfo to add query string handling and path normalization, addressing an incomplete fix from PMASA-2016-18. The original implementation failed to properly sanitize PHP_SELF by not stripping query parameters before processing PATH_INFO and not resolving '..'/. path components, enabling attackers to inject cookie attributes via manipulated URLs. The CWE-20 classification and patch context confirm input validation flaws in this function.
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