What’s Vulnerable › Vulnerabilities

CVE-2019-19374

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-12-11 · updated 2026-06-17
• Weakness: CWE-22

Description

An issue was discovered in core/assets/form/form_question_types/form_question_type_file_upload/form_question_type_file_upload.inc 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 delete arbitrary files from the server during interaction with the File Upload field type, when a custom form exists. (This is related to an information disclosure issue within the File Upload field type that allows users to view the full path to uploaded files, including the product's web root directory.)

Affected products

• Squiz Matrix: from 5.5.0.0 before 5.5.0.3; from 5.5.1.0 before 5.5.1.8; from 5.5.2.0 before 5.5.2.4; from 5.5.3.0 before 5.5.3.3 — fixed in 5.5.0.3, 5.5.1.8, 5.5.2.4, 5.5.3.3

How to fix

Upgrade to a fixed version: Squiz Matrix 5.5.0.3, 5.5.1.8, 5.5.2.4, 5.5.3.3. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/155671/Squiz-Matrix-CMS-5.5.x.x-Code-Execution-Information-Disclosure.html
• http://seclists.org/fulldisclosure/2019/Dec/34
• https://matrix.squiz.net/releases/5.5/5.5.3.3
• https://zxsecurity.co.nz/wp-content/uploads/2019/12/ZX%20Security%20Advisory%20-%20Squiz%20Matrix%20CMS%20-%20Multiple%20Vulnerabilities.pdf
• http://packetstormsecurity.com/files/155671/Squiz-Matrix-CMS-5.5.x.x-Code-Execution-Information-Disclosure.html
• http://seclists.org/fulldisclosure/2019/Dec/34
• https://matrix.squiz.net/releases/5.5/5.5.3.3
• https://zxsecurity.co.nz/wp-content/uploads/2019/12/ZX%20Security%20Advisory%20-%20Squiz%20Matrix%20CMS%20-%20Multiple%20Vulnerabilities.pdf

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