CVE-2023-49145

Name: CVE-2023-49145
Creator: NVD / NIST
Published: 2023-11-27T23:15:07.78+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.21%

Last modified Jun 17, 2026

CVE-2023-49145 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 1.21% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.21%

64.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Apache	Nifi	>= 0.7.0, < 1.24.0

References

http://www.openwall.com/lists/oss-security/2023/11/27/5Mailing List, Third Party Advisory
https://lists.apache.org/thread/j8rd0qsvgoj0khqck5f49jfbp0fm8r1oMailing List, Vendor Advisory
https://nifi.apache.org/security.html#CVE-2023-49145Vendor Advisory
http://www.openwall.com/lists/oss-security/2023/11/27/5Mailing List, Third Party Advisory
https://lists.apache.org/thread/j8rd0qsvgoj0khqck5f49jfbp0fm8r1oMailing List, Vendor Advisory
https://nifi.apache.org/security.html#CVE-2023-49145Vendor Advisory

Timeline

Published: Nov 27, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-49145?

How severe is CVE-2023-49145?

CVE-2023-49145 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.21% probability of exploitation in the next 30 days.

How do I fix CVE-2023-49145?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-49145?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST