Cross-site Scripting in Jenkins Email Extension Plugin
Jenkins Email Extension Plugin 2.93 and earlier does not escape, sanitize, or sandbox rendered email template output or log output generated during template rendering, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to create or change custom email templates.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.jenkins-ci.plugins:email-ext | < 2.94 | 2.94 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-25764
- https://github.com/jenkinsci/email-ext-plugin/commit/7b2bd251aa0193d009d85b713362d965dab262d0
- https://github.com/jenkinsci/email-ext-plugin
- https://www.jenkins.io/security/advisory/2023-02-15/#SECURITY-2934
- http://www.openwall.com/lists/oss-security/2023/02/15/4
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N- Weakness (CWE)
CWE-79- Platform
- Java / Kotlin (Maven)
- Package
org.jenkins-ci.plugins:email-ext- Disclosed
- 15.02.2023
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-p2fr-mq9m-6w6p - 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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Cross-site Scripting in Jenkins Email Extension Plugin this entry
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