CVE-2018-25353

Redaxo CMS Mediapool Addon 5.5.1 Arbitrary File Upload

Published May 23, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Redaxo redaxo Cms Mediapool
Vendors & Products Redaxo redaxo Cms Mediapool
Type Values Removed Values Added
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.
Title Redaxo CMS Mediapool Addon 5.5.1 Arbitrary File Upload
First Time appeared Redaxo
Redaxo redaxo
Weaknesses CWE-863
CPEs cpe:2.3:a:redaxo:redaxo:*:*:*:*:*:*:*:*
Vendors & Products Redaxo
Redaxo redaxo
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
May 26, 2026, 5:55 PM
Reserved
May 23, 2026, 3:48 PM
Status
Deferred
Published
May 23, 2026, 7:16 PM
Modified
Jul 23, 2026, 5:10 PM