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TI-2023-11037 Aliases CVE-2023-25765GHSA-c9c2-wcxh-3w5j

Protection mechanism failure in Jenkins Email Extension Plugin

Priority MEDIUM 45CWE-693Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-693.

Summary

In Jenkins Email Extension Plugin 2.93 and earlier, templates defined inside a folder were not subject to Script Security protection, allowing attackers able to define email templates in folders to bypass the sandbox protection and execute arbitrary code in the context of the Jenkins controller JVM.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01095 65th 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
Total

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-c9c2-wcxh-3w5j
  • 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-c9c2-wcxh-3w5j

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-c9c2-wcxh-3w5j org.jenkins-ci.plugins:email-ext (Maven) Fixed in 2.94 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-25765
  2. 2026-10-03 Alias added: GHSA-c9c2-wcxh-3w5j

References

Advisory 3

Other 2

  • TI-2019-15877 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
  • TI-2023-11036 Cross-site scripting in Jenkins Email Extension Plugin CVSS 3.1MEDIUM 5.4
See all 10 →

Sources

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