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Servers and applications

CVE-2018-20807

An XSS issue has been found in welcome.cgi in Pulse Secure Pulse Connect Secure (PCS) 8.1.x before 8.1R12, 8.2.x before 8.2R9, and 8.3.x before 8.3R3 due to one of the URL parameters not being sanitized properly.

Severity
Medium 6.1
Published
28 Jun 2019
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
1.6% in the next 30 daysHigher than 76% of CVEs. EPSS by FIRST, 10 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
Ivanti Connect SecureServers and applications · cpe:a:ivanti:connect_secure
  • Version 8.3-r2.1
  • Version 8.3-r2
  • Version 8.3-r1
  • Version 8.2-r8.2
All 37 release lines
  • Version 8.1-r1.0
  • Version 8.1-r1.1
  • Version 8.1-r2.0
  • Version 8.1-r2.1
  • Version 8.1-r3.1
  • Version 8.1-r3.2
  • Version 8.1-r4.0
  • Version 8.1-r4.1
  • Version 8.1-r5.0
  • Version 8.1-r6.0
  • Version 8.1-r7
  • Version 8.1-r8.0
  • Version 8.1-r9.0
  • Version 8.1-r9.1
  • Version 8.1-r9.2
  • Version 8.1-r10.0
  • Version 8.1-r11.0
  • Version 8.1-r11.1
  • Version 8.2-r1
  • Version 8.2-r1.1
  • Version 8.2-r2.0
  • Version 8.2-r3.0
  • Version 8.2-r3.1
  • Version 8.2-r4.0
  • Version 8.2-r4.1
  • Version 8.2-r5.0
  • Version 8.2-r5.1
  • Version 8.2-r6.0
  • Version 8.2-r7.0
  • Version 8.2-r7.1
  • Version 8.2-r7.2
  • Version 8.2-r8.0
  • Version 8.2-r8.1
  • Version 8.2-r8.2
  • Version 8.3-r1
  • Version 8.3-r2
  • Version 8.3-r2.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-20807
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-20807