CVE-2020-1933
Cross-site scripting in Apache NiFi
A XSS vulnerability was found in Apache NiFi 1.0.0 to 1.10.0. Malicious scripts could be injected to the UI through action by an unaware authenticated user in Firefox. Did not appear to occur in other browsers.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A XSS vulnerability was found in Apache NiFi 1.0.0 to 1.10.0. Malicious scripts could be injected to the UI through action by an unaware authenticated user in Firefox. Did not appear to occur in other browsers.
- Record
CVE-2020-1933- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
A XSS vulnerability was found in Apache NiFi 1.0.0 to 1.10.0. Malicious scripts could be injected to the UI through action by an unaware authenticated user in Firefox. Did not appear to occur in other browsers.
- Record
CVE-2020-1933- Updated
- 2026-11-02
EUVDEUVD-2022-0666 No score
A XSS vulnerability was found in Apache NiFi 1.0.0 to 1.10.0. Malicious scripts could be injected to the UI through action by an unaware authenticated user in Firefox. Did not appear to occur in other browsers.
- Record
EUVD-2022-0666- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-pqhq-xx62-2v2p
Cross-site scripting in Apache NiFi
A XSS vulnerability was found in Apache NiFi 1.0.0 to 1.10.0. Malicious scripts could be injected to the UI through action by an unaware authenticated user in Firefox. Did not appear to occur in other browsers.
- Record
GHSA-pqhq-xx62-2v2p- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
A XSS vulnerability was found in Apache NiFi 1.0.0 to 1.10.0. Malicious scripts could be injected to the UI through action by an unaware authenticated user in Firefox. Did not appear to occur in other browsers.
- Record
CVE-2020-1933- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-pqhq-xx62-2v2p
Cross-site scripting in Apache NiFi
A XSS vulnerability was found in Apache NiFi 1.0.0 to 1.10.0. Malicious scripts could be injected to the UI through action by an unaware authenticated user in Firefox. Did not appear to occur in other browsers.
- Record
GHSA-pqhq-xx62-2v2p- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVBIT-nifi-2020-1933 No score
A XSS vulnerability was found in Apache NiFi 1.0.0 to 1.10.0. Malicious scripts could be injected to the UI through action by an unaware authenticated user in Firefox. Did not appear to occur in other browsers.
- Record
BIT-nifi-2020-1933- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.apache.nifi:nifiMaven |
1.0.0 to 1.10.0 | 1.11.0 |
nifiBitnami |
1.0.0 to 1.10.0 | None known |
org.apache.nifi:nifiMaven |
1.0.0 up to 1.11.0, plus listed versions 1.0.11.1.01.1.11.1.21.10.0 Show 11 moreShow less1.2.01.3.01.4.01.5.01.6.01.7.01.7.11.8.01.9.01.9.11.9.2 |
1.11.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-1933 is a medium vulnerability (CVSS 6.1) in Apache Nifi, published January 28, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.81%, the 86th percentile. Fixed in org.apache.nifi:nifi 1.11.0.