CVE-2023-32980: Jenkins Email Extension Plugin Cross-Site Request Forgery vulnerability
Summary
CVE-2023-32980: Jenkins Email Extension Plugin Cross-Site Request Forgery vulnerability. Affects org.jenkins-ci.plugins:email-ext versions < 2.96.1. Fixed in 2.96.1. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The Jenkins Email Extension Plugin is a Maven-based package that provides additional email functionality to Jenkins. It allows users to configure and customize email notifications for various events in the Jenkins pipeline. The plugin integrates with Jenkins' built-in email notification system, providing enhanced features such as customizable email templates, attachment support, and advanced email triggering options.
Vulnerability Detail
The Jenkins Email Extension Plugin version 2.96 and earlier is vulnerable to a Cross-Site Request Forgery (CSRF) attack. This vulnerability arises from the plugin not requiring POST requests for an HTTP endpoint. As a result, an attacker can exploit this vulnerability to make another user stop watching a job specified by the attacker. The impact of this vulnerability is limited to the manipulation of job watchers and does not directly lead to unauthorized access or data leakage.
How To Fix
Latest published version: 2038.v7b_8817a_499d9 as of 23 Oct 2026
Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
2.96.1
This is the first release that contains the fix.
Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround mentioned for this vulnerability. However, users can consider implementing additional security measures such as enforcing CSRF tokens or using other security plugins to mitigate the risk of CSRF attacks in general.
Conclusion
The Jenkins Email Extension Plugin version 2.96 and earlier is vulnerable to a Cross-Site Request Forgery (CSRF) attack. To mitigate this vulnerability, it is crucial to update the plugin to version 2.96.1 or later. Users can follow the standard update process in Jenkins to apply the fix. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for org.jenkins-ci.plugins:email-ext →
FAQ
The vulnerability allows an attacker to manipulate job watchers, making another user stop watching a specific job. However, it does not directly lead to unauthorized access or data leakage.
You can use the Vulert Playground at Vulert Scanner to check if your Jenkins instance is affected by this vulnerability. Vulert monitors and alerts in real-time for open-source vulnerabilities, using just the pom.xml file for analysis.
Yes, the CVSS score for this vulnerability is 4.3, indicating a moderate severity level.
There are no known public exploits for this vulnerability at the time of this report.
While updating the plugin is the recommended solution, you can consider implementing additional security measures such as enforcing CSRF tokens or using other security plugins to mitigate the risk of CSRF attacks in general.
References
Related vulnerabilities
Recent vulnerabilities recorded for org.jenkins-ci.plugins:email-ext.
