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CVE-2018-1999007

A cross-site scripting vulnerability exists in Jenkins 2.132 and earlier, 2.121.1 and earlier in the Stapler web framework's org/kohsuke/stapler/Stapler.java that allows attackers with the ability to control the existence of some URLs in Jenkins to define JavaScript that would be executed in another user's browser when that other user views HTTP 404 error pages while Stapler debug mode is enabled.

Severity
Medium 5.4
Published
23 Jul 2018
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
0.9% in the next 30 daysHigher than 59% of CVEs. EPSS by FIRST, 10 Nov 2026
Weakness
Cross-site scripting (CWE-79)
Attack
Over the network · Needs a user account · Needs someone to click or open something
Attacker can
Read some data · Change some data
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Sources
NVD

Affected software

SoftwareAffected versions
JenkinsServers and applications · cpe:a:jenkins:jenkins
  • Every version up to 2.121.1
  • From 2.122 up to 2.132

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2018-1999007
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2018-1999007