此次更新核心代碼與安全性如下：
Security Issues Fixed
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Low Priority - Core - ACL violation in access levels
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Low Priority - Core - Add phar files to the upload blacklist
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Moderate Priority - Core - Information Disclosure about unpublished tags
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Low Priority - Core - Installer leaks plain text password to local user
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Moderate Priority - Core - XSS Vulnerabilities & additional hardening
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Low Priority - Core - Filter field in com_fields allows remote code execution
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Low Priority - Core - Session deletion race condition
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Low Priority - Core - Possible XSS attack in the redirect method
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Low Priority - Core - XSS vulnerability in the media manager
Bug fixes and Improvements
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Miscellaneous accessibility improvements for the Backend
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Updated CodeMirror to 5.37 and various improvements
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Improved handling of numeric user group names
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[com_content] Filter by no author
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Added support for PHP 7.3’s is_countable function
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Sending passwords by email disabled by default for new installs
