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    CVE-2018-25353

    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.

    Published:May 23, 2026
    Last Modified:May 26, 2026
    EPS:May 23, 2026
    EPSS Score:0.00055
    CVSS Score:8.8

    Affected Products

    Vendor
    Redaxo
    Product
    Redaxo
    Vendor
    Redaxo
    Product
    Redaxo Cms Mediapool

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-863 Incorrect Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2016-20053 (CVSS 6.9) — Redaxo CMS 5.2 contains a cross-site request forgery vulnerability that allows unauthenticated attackers to cr…
    CVE-2026-21857 (CVSS 8.3) — REDAXO is a PHP-based content management system. Prior to version 5.20.2, authenticated users with backup perm…
    CVE-2025-66026 (CVSS 6.1) — REDAXO is a PHP-based CMS. Prior to version 5.20.1, a reflected Cross-Site Scripting (XSS) vulnerability exist…
    CVE-2025-64049 (CVSS 4.8) — A stored cross-site scripting (XSS) vulnerability in the module management component in REDAXO CMS 5.20.0 allo…
    CVE-2025-64050 (CVSS 7.2) — A Remote Code Execution (RCE) vulnerability in the template management component in REDAXO CMS 5.20.0 allows r…
    CVE-2025-27412 (CVSS 6.1) — REDAXO is a PHP-based CMS. In Redaxo from 5.0.0 through 5.18.2, the rex-api-result parameter is vulnerable to …
    CVE-2025-27411 (CVSS 5.4) — REDAXO is a PHP-based CMS. In Redaxo before 5.18.3, the mediapool/media page is vulnerable to arbitrary file u…
    CVE-2024-46210 (CVSS 7.2) — An arbitrary file upload vulnerability in the MediaPool module of Redaxo CMS v5.17.1 allows attackers to execu…
    CVE-2024-13209 (CVSS 5.1) — A vulnerability was found in Redaxo CMS 5.18.1. It has been classified as problematic. Affected is an unknown …
    CVE-2024-46209 (CVSS 5.4) — A stored cross-site scripting (XSS) vulnerability in the component /media/test.html of REDAXO CMS v5.17.1 allo…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High