An issue was discovered in Squiz Matrix CMS 5.5.0 prior to 5.5.0.3, 5.5.1 prior to…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-502.
Summary
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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:squiz:matrix:*:*:*:*:*:*:*:* | 5.5.0.0 to before 5.5.0.3; 5.5.1.0 to before 5.5.1.8; 5.5.2.0 to before 5.5.2.4; 5.5.3.0 to before 5.5.3.3 | Vulnerable | Squiz |
- cpe:2.3:a:squiz:matrix:*:*:*:*:*:*:*:* Versions 5.5.0.0 to before 5.5.0.3; 5.5.1.0 to before 5.5.1.8; 5.5.2.0 to before 5.5.2.4; 5.5.3.0 to before 5.5.3.3 Vulnerable ·Squiz
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-19373
- 2026-10-03 Alias added: GHSA-qmqm-hvm5-wx4p
References
Exploit 3
- https://zxsecurity.co.nz/wp-content/uploads/2019/12/ZX%20Security%20Advisory%20-%20Squiz%20Matrix%20CMS%20-%20Multiple%20Vulnerabilities.pdf
- 20191213 Squiz Matrix CMS <= 5.5.3.2 - Multiple Issues may lead to Remote Code Execution
- http://packetstormsecurity.com/files/155671/Squiz-Matrix-CMS-5.5.x.x-Code-Execution-Information-Disclosure.html
More Squiz Matrix vulnerabilities
- TI-2019-13978 An issue was discovered in… CVSS 3.1CRITICAL 9.1
- TI-2017-10348 An issue was discovered in Squiz Matrix before 5.3.6.1 and 5.4.x before 5.4.1.3. CVSS 3.0HIGH 8.8
- TI-2017-10346 An issue was discovered in Squiz Matrix from 5.3 through to 5.3.6.1 and 5.4.1.3. CVSS 3.0HIGH 7.5
- TI-2017-10347 An issue was discovered in Squiz Matrix before 5.3.6.1 and 5.4.x before 5.4.1.3. CVSS 3.0MEDIUM 6.1
- TI-2022-13984 Squiz Matrix CMS 6.20 is vulnerable to an Insecure Direct Object Reference caused by… CVSS 3.1MEDIUM 5.3
Sources
- CVE-2019-19373 · CVE Program
- CVE-2019-19373 · NVD
- FIRST EPSS
- GHSA-qmqm-hvm5-wx4p · GitHub Advisory Database · CC BY 4.0
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