CyberRota Analysis
AI-GeneratedThe vulnerability affects the REDAXO content management system prior to version 5.21.2, specifically in the Mediapool Sync page where unsanitized filenames can be inserted into the output. An attacker can exploit this flaw by placing a specially crafted file in the media directory, potentially allowing for script execution in the browser of a backend user with media sync permissions, leading to session theft or unauthorized actions. Organizations using REDAXO should prioritize upgrading to version 5.21.2 to mitigate this risk.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
REDAXO is a PHP-based content management system. Prior to 5.21.2, redaxo/src/addons/mediapool/pages/sync.php inserts filenames held in $diffFiles from the media filesystem into the Mediapool Sync page without rex_escape(). An attacker who can place an unregistered file with HTML metacharacters in the media directory can execute script in the browser of a backend user with media[sync] permission when that user opens the Sync page, enabling session theft or unauthorized backend actions. This issue is fixed in version 5.21.2.
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