| Package | Affected versions | Patched versions |
|---|---|---|
| matrix | ≥ 5.5.0.0, < 5.5.0.3≥ 5.5.1.0, < 5.5.1.8≥ 5.5.2.0, < 5.5.2.4≥ 5.5.3.0, < 5.5.3.3 | 5.5.0.35.5.1.85.5.2.45.5.3.3 |
An issue was discovered in Squiz Matrix CMS 5.5.0 prior to 5.5.0.3, 5.5.1 prior to 5.5.1.8, 5.5.2 prior to 5.5.2.4, and 5.5.3 prior to 5.5.3.3 where a user can trigger arbitrary unserialization of a PHP object from a packages/cms/page_templates/page_remote_content/page_remote_content.inc POST parameter during processing of a Remote Content page type. This unserialization can be used to trigger the inclusion of arbitrary files on the filesystem (local file inclusion), and results in remote code execution.
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