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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Redaxo Redaxo CMS Mediapool affected
Version Status Constraints
0 affected ≤ 5.5.1

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Project Subscriptions

Vendors Products
Redaxo Subscribe
Redaxo Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://redaxo.org cve-icon
https://redaxo.org/download/redaxo/5.5.1.zip cve-icon
https://www.exploit-db.com/exploits/44891 cve-icon
https://www.vulncheck.com/advisories/redaxo-cms-mediapool-addon-arbitrary-file-upload cve-icon
History

Sat, 23 May 2026 18:45:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-05-23T18:30:53.506Z

Reserved: 2026-05-23T15:48:30.219Z

Link: CVE-2018-25353

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses