CVE-2018-25353

HIGH 8.8

Redaxo CMS Mediapool Addon 5.5.1 Arbitrary File Upload

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-863
Vendor	redaxo
Product	redaxo cms mediapool
Published	May 23, 2026
Last Updated	May 26, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Redaxo / Redaxo CMS Mediapool

0 ≤ 5.5.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

mn@HackerWerkstatt