What’s Vulnerable › Vulnerabilities

CVE-2023-25765

• Severity: critical (CVSS 9.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-02-15 · updated 2026-06-17
• Weakness: CWE-693

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.

Affected products

• Jenkins Project Jenkins Email Extension Plugin: before 2.93.1 — fixed in 2.93.1

How to fix

Upgrade to a fixed version: Jenkins Project Jenkins Email Extension Plugin 2.93.1. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2023/02/15/4
• https://www.jenkins.io/security/advisory/2023-02-15/#SECURITY-2939
• http://www.openwall.com/lists/oss-security/2023/02/15/4
• https://www.jenkins.io/security/advisory/2023-02-15/#SECURITY-2939

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