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Fencer Vulns
medium 5.8

CVE-2019-11507 json

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 Laun…

published 2019-05-08 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-3180

cvss
5.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
3.8%
EPSS 3.8% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known, plus a Nuclei check

Summary

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.

Patch / fix

Exploit prediction

3.80% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Pulse Secure Pulse Connect Secure - Cross-Site Scripting (Reflected) nuclei detection template
  • i.blackhat.com https://i.blackhat.com/USA-19/Wednesday/us-19-Tsai-Infiltrating-Corporate-Intranet-Like-NSA.pdf referenced PoC, tagged "exploit" by a source, unverified
  • devco.re 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/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 5.8 CVSS:3.0/AC:H/AV:N/A:L/C:L/I:L/PR:N/S:C/UI:R
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA 3.0 5.8 CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.