CVE-2019-19373
Last modified
CVE-2019-19373 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 4.80% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Squiz | Matrix | >= 5.5.0.0, < 5.5.0.3 |
| Squiz | Matrix | >= 5.5.1.0, < 5.5.1.8 |
| Squiz | Matrix | >= 5.5.2.0, < 5.5.2.4 |
| Squiz | Matrix | >= 5.5.3.0, < 5.5.3.3 |
References
- http://packetstormsecurity.com/files/155671/Squiz-Matrix-CMS-5.5.x.x-Code-Execution-Information-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2019/Dec/34Exploit, Mailing List, Third Party Advisory
- https://matrix.squiz.net/releases/5.5/5.5.3.3Release Notes
- http://packetstormsecurity.com/files/155671/Squiz-Matrix-CMS-5.5.x.x-Code-Execution-Information-Disclosure.htmlExploit, Third Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2019/Dec/34Exploit, Mailing List, Third Party Advisory
- https://matrix.squiz.net/releases/5.5/5.5.3.3Release Notes
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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