CVE-2023-25765: jenkins project jenkins email extension plugin Protection Mechanism Failure
Vulnerability summary
CVE-2023-25765 is a critical (CVSS 9.9) Protection Mechanism Failure vulnerability in jenkins project jenkins email extension plugin. EPSS estimates a 1.09% chance of exploitation in the next 30 days, higher than 65% of scored vulnerabilities.
Timeline
- 15-02-2023PublishedVulnerability first disclosed.
- 19-03-2025Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · MavenEcosystem advisory · calculated9.9CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- NVDNIST9.9CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS trend
Probability
1.09%
Chance of exploitation in the next 30 days
Percentile
65%
Versus all other CVEs
30-day change
0.00 pp
From 1.09% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Jenkins1 product
- email_extension< 2.93.1
Jenkins project1 product
- jenkins email extension plugin≥ unspecified, ≤ 2.93
Org.jenkins-ci.plugins1 product
- email-ext< 2.94
3 vendors · 3 products