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2 vulnerabilities found for core by redaxo
CVE-2026-53599 (GCVE-0-2026-53599)
Vulnerability from nvd – Published: 2026-07-31 19:43 – Updated: 2026-07-31 21:39
VLAI
EPSS
VEX
Title
Redaxo has a Mediapool isAllowedExtension bypass via multi-segment filename that leads to authenticated RCE on Apache mod_php multi-extension handlers
Summary
REDAXO is a PHP-based content management system. From 5.18.2 until 5.21.1, rex_mediapool::isAllowedExtension in redaxo/src/addons/mediapool/lib/mediapool.php lets an authenticated backend user with media[upload] permission upload a JPEG/PHP polyglot named shell.php.any.jpg, which web servers with multi-extension PHP handlers can execute as the web-server user. This issue is fixed in version 5.21.1.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/redaxo/core/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/redaxo/core/pull/6538 | x_refsource_MISC |
| https://github.com/redaxo/core/commit/462e36896bb… | x_refsource_MISC |
| https://github.com/redaxo/core/releases/tag/5.21.1 | x_refsource_MISC |
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CVE-2026-53599 (GCVE-0-2026-53599)
Vulnerability from cvelistv5 – Published: 2026-07-31 19:43 – Updated: 2026-07-31 21:39
VLAI
EPSS
VEX
Title
Redaxo has a Mediapool isAllowedExtension bypass via multi-segment filename that leads to authenticated RCE on Apache mod_php multi-extension handlers
Summary
REDAXO is a PHP-based content management system. From 5.18.2 until 5.21.1, rex_mediapool::isAllowedExtension in redaxo/src/addons/mediapool/lib/mediapool.php lets an authenticated backend user with media[upload] permission upload a JPEG/PHP polyglot named shell.php.any.jpg, which web servers with multi-extension PHP handlers can execute as the web-server user. This issue is fixed in version 5.21.1.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/redaxo/core/security/advisorie… | x_refsource_CONFIRM |
| https://github.com/redaxo/core/pull/6538 | x_refsource_MISC |
| https://github.com/redaxo/core/commit/462e36896bb… | x_refsource_MISC |
| https://github.com/redaxo/core/releases/tag/5.21.1 | x_refsource_MISC |
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