CVE-2023-25765 json
Sandbox escape in Jenkins Email Extension Plugin
published 2023-02-15 3 y ago modified 2026-06-17 4 mo ago also GHSA-c9c2-wcxh-3w5j , EUVD-2023-0690
- cvss
- 9.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
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.
Patch / fix
- maven org.jenkins-ci.plugins:email-ext 2.94
- Jenkins Project Jenkins Email Extension Plugin 2.89.0.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 19 mo ago
Exploit prediction
1.09% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| CNA | 3.1 | 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| GitHub | 3.1 | 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| maven | org.jenkins-ci.plugins:email-ext | <2.94 |
2.94 |
Affected products
- Jenkins Project Jenkins Email Extension Plugin
Classification
- Weakness
-
- CWE-693 Protection Mechanism Failure
References
-
github.com
/jenkinsci/email-ext-plugin/commit/ffe44a4c1c1830325787d7ef5e9e19ebf9a936f9
web
-
jenkins.io
/security/advisory/2023-02-15/#SECURITY-2939
web, vendor-advisory
-
openwall.com
/lists/oss-security/2023/02/15/4
mailing-list, web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2023-25765
advisory
-
github.com
/jenkinsci/email-ext-plugin
package
Sources
- CVE List CVE-2023-25765
- GitHub Advisory GHSA-c9c2-wcxh-3w5j
- NVD CVE-2023-25765
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