Security readout for executives and security teams
Squiz Matrix CMS versions before the listed 5.5.x fixes allowed a user interacting with a custom form File Upload field to delete arbitrary server files. For executives, the business risk is disruption or loss of application files on an affected CMS, especially where public forms are enabled. Exposure is likely limited to Squiz Matrix CMS 5.5.0 before 5.5.0.3, 5.5.1 before 5.5.1.8, 5.5.2 before 5.5.2.4, and 5.5.3 before 5.5.3.3, especially deployments using custom forms with File Upload fields. Prioritize remediation for internet-facing Squiz Matrix sites with custom upload forms. Even without confirmed active exploitation, arbitrary server file deletion can cause outages, data loss, and incident response costs. Mitigation focus: Upgrade Squiz Matrix to the fixed 5.5.x release or later vendor-supported release.; Review Squiz Matrix 5.5.3.3 release notes and ZX Security advisory.; Disable or restrict custom File Upload form fields until patched..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
File access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-19374 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://matrix.squiz.net/releases/5.5/5.5.3.3CVE reference · x_refsource_MISC
- https://zxsecurity.co.nz/wp-content/uploads/2019/12/ZX%20Security%20Advisory%20-%20Squiz%20Matrix%20CMS%20-%20Multiple%20Vulnerabilities.pdfCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
