CVE Catalog

CVE-2018-25353

HighCVSS 8.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.45%

37th percentile - higher than 37% of all known CVEs

Summary

Vulnerability in Redaxo CMS Mediapool Addon version 5.5.1 and older – authenticated users can bypass the file extension blacklist by uploading executable files with obfuscated extensions (e.g., php71, php53), allowing arbitrary code execution.

Risk Assessment

An attacker with an editor account can upload a malicious PHP file and achieve remote code execution on the server, potentially leading to full system compromise.

Recommendation

Update Redaxo CMS Mediapool Addon to the latest version. Implement additional file validation mechanisms such as MIME type and content inspection.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS