CVE-2019-19373
HIGH 7.5EPSS 4.8%
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.
- CVSS v3.1 NVD
- 7.5 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS v2.0 NVD
- 5.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N - EPSS
- 4.80% chance of exploitation in the next 30 days, 92nd percentile
- Published
- 2019-12-11
- Updated
- 2024-08-05
Proof-of-concept exploits (1)
Security advisories
- http://seclists.org/fulldisclosure/2019/Dec/34
- https://zxsecurity.co.nz/wp-content/uploads/2019/12/ZX%20Security%20Advisory%20-%20Squiz%…
- https://matrix.squiz.net/releases/5.5/5.5.3.3