High severity8.8NVD Advisory· Published May 23, 2026· Updated May 26, 2026
CVE-2018-25353
CVE-2018-25353
Description
Redaxo CMS Mediapool Addon 5.5.1 and older contains an arbitrary file upload vulnerability that allows authenticated users to bypass file extension blacklist restrictions. Attackers with editor accounts can upload executable files by using obfuscated extensions like php71 or php53 to evade the blacklist filter and execute arbitrary code.
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Affected products
1Patches
Vulnerability mechanics
References
4News mentions
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