Security readout for executives and security teams
Plain-English summary
CVE-2019-19387 is an XSS issue in FusionPBX 4.4.1. A remote attacker may inject script or HTML through the vulnerable FIFO interactive page parameter. Business impact depends on who can reach that page and which privileged users interact with it.
Executive priority
Treat as a near-term remediation item for exposed FusionPBX systems, especially where administrators access the interface. It is not KEV-listed in the provided data, but XSS in a communications admin platform can create meaningful operational risk.
Technical view
The CVE describes cross-site scripting in app/fifo_list/fifo_interactive.php, specifically input passed through the c parameter. The bundle does not provide CVSS, CWE, or complete affected CPE data. A FusionPBX commit is referenced, but no fixed release is identified in the bundle.
Likely exposure
Most relevant exposure is FusionPBX 4.4.1 deployments with the FIFO interactive page reachable, especially admin or operator portals exposed beyond trusted networks. The bundle does not identify other affected versions.
Exploitation context
The issue has public references, including a report and an upstream commit. The CVE is not marked KEV, and the supplied sources do not state active exploitation in the wild.
Researcher notes
The record is sparse: no CVSS, CWE, CPE, or fixed version is supplied. Analysis should stay anchored to FusionPBX 4.4.1, the c parameter, and the referenced commit until vendor or repository evidence confirms broader scope.
Mitigation direction
- Identify whether FusionPBX 4.4.1 is deployed.
- Review the referenced FusionPBX commit and vendor guidance.
- Upgrade to a vendor-supported fixed release when confirmed.
- Restrict FusionPBX administrative access to trusted networks.
- Use WAF or reverse proxy controls as temporary risk reduction.
Validation and detection
- Inventory FusionPBX versions and exposed administrative routes.
- Check whether app/fifo_list/fifo_interactive.php exists in deployed code.
- Confirm whether the referenced upstream commit is present.
- Review access logs for unusual requests to the FIFO interactive page.
- Validate browser-side input handling in a controlled test environment.
Public sources used
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.
CVE-2019-19387 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://gist.github.com/xax007/28e7326acfae677be0b351216888e522CVE reference · x_refsource_MISC
- https://github.com/fusionpbx/fusionpbx/commit/44edbfe7a7e256d1b80448026617365a40c92c61CVE 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.