What’s Vulnerable › Vulnerabilities

CVE-2023-49145: Apache NiFi: Improper Neutralization of Input in Advanced User Interface for Jolt

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-27 · updated 2026-06-17
• Weakness: CWE-79

Description

Apache NiFi 0.7.0 through 1.23.2 include the JoltTransformJSON Processor, which provides an advanced configuration user interface that is vulnerable to DOM-based cross-site scripting. If an authenticated user, who is authorized to configure a JoltTransformJSON Processor, visits a crafted URL, then arbitrary JavaScript code can be executed within the session context of the authenticated user. Upgrading to Apache NiFi 1.24.0 or 2.0.0-M1 is the recommended mitigation.

Affected products

• Apache Software Foundation Apache NiFi: from 0.7.0 before 1.24.0 — fixed in 1.24.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache NiFi 1.24.0. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2023/11/27/5
• https://lists.apache.org/thread/j8rd0qsvgoj0khqck5f49jfbp0fm8r1o
• https://nifi.apache.org/security.html#CVE-2023-49145
• http://www.openwall.com/lists/oss-security/2023/11/27/5
• https://lists.apache.org/thread/j8rd0qsvgoj0khqck5f49jfbp0fm8r1o
• https://nifi.apache.org/security.html#CVE-2023-49145

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