XSS in Apache Nifi

CVE-2023-49145

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.012 (66.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.9 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-49145?
CVE-2023-49145 is a high-severity vulnerability in Apache Nifi, classified under Cross-site Scripting. CVSS score: 7.9/10. Published 2023-11-27.
How severe is CVE-2023-49145?
High severity. CVSS v3 base score is 7.9 out of 10.