Jenkins Email Extension Plugin showed plain text SMTP password in configuration form field
An exposure of sensitive information vulnerability exists in Jenkins Email Extension Plugin 2.61 and older in src/main/resources/hudson/plugins/emailext/ExtendedEmailPublisher/global.groovy and ExtendedEmailPublisherDescriptor.java that allows attackers with control of a Jenkins administrator's web browser (e.g. malicious extension) to retrieve the configured SMTP password.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.jenkins-ci.plugins:email-ext | < 2.62 | 2.62 |
References
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N- Weakness (CWE)
CWE-200- Platform
- Java / Kotlin (Maven)
- Package
org.jenkins-ci.plugins:email-ext- Disclosed
- 14.05.2022
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-gwxm-wqpq-w539 - CC BY 4.0
Vulnerability history: org.jenkins-ci.plugins:email-ext
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 12
- First → latest
- 05.2022 05.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 2
- High 2
- Medium 7
- Low 1
Disclosures per year
- 2022: 6
- 2023: 5
- 2024: 0
- 2025: 0
- 2026: 1
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Jenkins Email Extension Plugin showed plain text SMTP password in configuration form field this entry
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