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CVE-2018-1999007

19
FAUCET Score

CVE-2018-1999007 is a cross-site scripting (XSS) vulnerability in the Stapler web framework used by Jenkins 2.132 and earlier. An authenticated attacker can inject JavaScript into HTTP 404 error pages, which then executes in another user's browser if Stapler debug mode is enabled. This medium-severity vulnerability (CVSS 5.4) requires user interaction and has a low impact on confidentiality and integrity. There is no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.121.1CPE matchmatch criteria
cpe:2.3:a:jenkins:jenkins:*:*:*:*:*:*:*:*
>= 2.122, <= 2.132CPE matchmatch criteria
cpe:2.3:a:jenkins:jenkins:*:*:*:*:*:*:*:*
1.9.0CPE matchmatch criteria
cpe:2.3:a:oracle:communications_cloud_native_core_automated_test_suite:1.9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.3
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.89%
Probability of exploitation in next 30 days
EPSS Percentile
55.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0089 is in the 90th percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (5)

mavenpatch availablevia ghsa
Product: org.jenkins-ci.main:jenkins-coreFixed in: 2.121.2
mavenpatch availablevia ghsa
Product: org.jenkins-ci.main:jenkins-coreFixed in: 2.132
mavenpatch availablevia ghsa
Product: org.kohsuke.stapler:stapler-parentFixed in: 1.250.1
oraclepatch availablevia nvd_reference
View patch
redhatno patchvia redhat_api
Product: Red Hat OpenShift Enterprise 3Fixed in: jenkins

Vendor Advisories (2)

mavenGHSA-6456-xjm5-g3pgmedium

Cross-site scripting vulnerability exists in Jenkins and Stapler Plugin

May 13, 2022
redhatCVE-2018-1999007Moderate

jenkins: HTTP 404 error pages do not escape URLs when Stapler framework used in debug mode, allowing for XSS

Jul 18, 2018

References

jenkins.io / security/advisory/2018-07-18
Vendor Advisory
oracle.com / security-alerts/cpuapr2022.html
PatchThird Party Advisory