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TI-2023-11035 Aliases CVE-2023-25763GHSA-h97r-fchm-m23x

Cross-site scripting in Jenkins Email Extension Plugin

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

Jenkins Email Extension Plugin 2.93 and earlier does not escape various fields included in bundled email templates, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control affected fields.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00602 49th percentileScored 2026-11-07
Fix Fixed Jenkins Email Extension Plugin (Jenkins Project): 2.89.0.1org.jenkins-ci.plugins:email-ext (Maven): 2.94

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JenkinsJenkins Email Extension Pluginup to 2.932.89.0.1Patch availableCNA
—org.jenkins-ci.plugins:email-ext (Maven)before 2.942.94Patch availableGHSA-h97r-fchm-m23x
  • Jenkins Email Extension Plugin VendorJenkins Affected up to 2.93 Fixed in 2.89.0.1 Patch available CNA
  • org.jenkins-ci.plugins:email-ext (Maven) Vendor— Affected before 2.94 Fixed in 2.94 Patch available GHSA-h97r-fchm-m23x

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jenkins:email_extension:*:*:*:*:*:jenkins:*:*before 2.93.1VulnerableJenkins
  • cpe:2.3:a:jenkins:email_extension:*:*:*:*:*:jenkins:*:* Versions before 2.93.1 Vulnerable ·Jenkins

Remediation

  • Fix · CNA Jenkins Email Extension Plugin (Jenkins Project) Fixed in 2.89.0.1
  • Fix · GHSA-h97r-fchm-m23x org.jenkins-ci.plugins:email-ext (Maven) Fixed in 2.94 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-25763
  2. 2026-10-03 Alias added: GHSA-h97r-fchm-m23x

References

Advisory 3

Other 2

  • TI-2019-15877 Protection mechanism failure in Jenkins Email Extension Plugin CVSS 3.1CRITICAL 9.9
  • TI-2023-11037 Protection mechanism failure in Jenkins Email Extension Plugin CVSS 3.1CRITICAL 9.9
  • TI-2026-36179 Jenkins Email Extension Plugin 1933.v45cec755423f and earlier allows inlining images as… CVSS 3.1HIGH 8.8
  • TI-2020-02109 Cleartext transmission of sensitive information in Jenkins Email Extension Plugin CVSS 3.1HIGH 7.5
  • TI-2018-15825 An exposure of sensitive information vulnerability exists in Jenkins Email Extension… CVSS 3.0MEDIUM 6.5
  • TI-2017-01904 Information disclosure in [UNKNOWN] jenkins-email-ext CVSS 3.0MEDIUM 5.3
See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences