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.
CVE-2023-49145
This high-severity CVE scores 7.9 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 47% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.4
- EG Score
- 7.9(medium)
- EPSS
- 64.9%
- KEV
- Not listed
Published
November 27, 2023
Last Modified
June 17, 2026
References (6)
- security@apachehttp://www.openwall.com/lists/oss-security/2023/11/27/5
- security@apachehttps://lists.apache.org/thread/j8rd0qsvgoj0khqck5f49jfbp0fm8r1o
- security@apachehttps://nifi.apache.org/security.html#CVE-2023-49145
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/11/27/5
- af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread/j8rd0qsvgoj0khqck5f49jfbp0fm8r1o
- af854a3a-2127-422b-91ae-364da2661108https://nifi.apache.org/security.html#CVE-2023-49145
Affected Packages
(1 across 1 ecosystem)
Maven(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| org.apache.nifi:nifi-jolt-transform-json-ui | 0.7.0 ... 1.9.2 (52 versions) | 1.24.0 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× in last 7d / 47× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-12 05:45 UTCEPSS rescore
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- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-24 06:31 UTCNVD updateCVSS v3 → 5.4 · severity → MEDIUM
- 2026-06-23 21:31 UTCEPSS rescore
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- 2026-06-11 13:59 UTCEPSS rescore
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- 2026-06-10 13:21 UTCEPSS rescore
- 2026-06-09 14:17 UTCOSV refresh
- 2026-06-08 14:16 UTCEPSS rescore
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- 2026-05-29 13:43 UTCEPSS rescore
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- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-24 13:16 UTCEG score recompute
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Frequently asked(5)
What is CVE-2023-49145?
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Dependency Blast Radius
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