CVE-2021-45229
Apache Airflow: Reflected XSS via Origin Query Argument in URL
It was discovered that the "Trigger DAG with config" screen was susceptible to XSS attacks via the origin query argument. This issue affects Apache Airflow versions 2.2.3 and below.
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
It was discovered that the "Trigger DAG with config" screen was susceptible to XSS attacks via the origin query argument. This issue affects Apache Airflow versions 2.2.3 and below.
- Record
CVE-2021-45229- 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
Apache Airflow: Reflected XSS via Origin Query Argument in URL
It was discovered that the "Trigger DAG with config" screen was susceptible to XSS attacks via the origin query argument. This issue affects Apache Airflow versions 2.2.3 and below.
- Record
CVE-2021-45229- Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2022-0012 No score
It was discovered that the "Trigger DAG with config" screen was susceptible to XSS attacks via the origin query argument. This issue affects Apache Airflow versions 2.2.3 and below.
- Record
EUVD-2022-0012- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-65xw-pcqw-hjrh
Apache Airflow Cross-site Scripting Vulnerability
It was discovered that the "Trigger DAG with config" screen was susceptible to XSS attacks via the origin query argument. This issue affects Apache Airflow versions 2.2.3 and below.
- Record
GHSA-65xw-pcqw-hjrh- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N - 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
It was discovered that the "Trigger DAG with config" screen was susceptible to XSS attacks via the origin query argument. This issue affects Apache Airflow versions 2.2.3 and below.
- Record
CVE-2021-45229- 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-65xw-pcqw-hjrh
Apache Airflow Cross-site Scripting Vulnerability
It was discovered that the "Trigger DAG with config" screen was susceptible to XSS attacks via the origin query argument. This issue affects Apache Airflow versions 2.2.3 and below.
- Record
GHSA-65xw-pcqw-hjrh- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N - 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-airflow-2021-45229 No score
Apache Airflow: Reflected XSS via Origin Query Argument in URL
It was discovered that the "Trigger DAG with config" screen was susceptible to XSS attacks via the origin query argument. This issue affects Apache Airflow versions 2.2.3 and below.
- Record
BIT-airflow-2021-45229- Updated
- 2026-11-02
OSVPYSEC-2022-29 No score
It was discovered that the "Trigger DAG with config" screen was susceptible to XSS attacks via the origin query argument. This issue affects Apache Airflow versions 2.2.3 and below.
- Record
PYSEC-2022-29- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
apache-airflowPyPI |
before 2.2.4rc1 | 2.2.4rc1 |
airflowBitnami |
before 2.2.4 | 2.2.4 |
apache-airflowPyPI |
before 2.2.4rc1, plus listed versions 1.10.01.10.11.10.101.10.10rc11.10.10rc2 Show 45 moreShow less1.10.10rc31.10.10rc41.10.10rc51.10.111.10.11rc11.10.11rc21.10.121.10.12rc11.10.12rc21.10.12rc31.10.12rc41.10.131.10.13rc11.10.141.10.14rc11.10.14rc21.10.14rc31.10.14rc41.10.151.10.15rc11.10.1b11.10.1rc21.10.21.10.2b21.10.2rc11.10.2rc21.10.2rc31.10.31.10.3b11.10.3b21.10.3rc11.10.3rc21.10.41.10.4b21.10.4rc11.10.4rc21.10.4rc31.10.4rc41.10.4rc51.10.51.10.5rc11.10.61.10.6rc11.10.6rc21.10.7 |
2.2.4rc1 |
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-2021-45229 is a medium vulnerability (CVSS 6.1) in Apache Airflow, published February 25, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.60%, the 85th percentile. Fixed in apache-airflow 2.2.4rc1.
References
lists.apache.org/thread/phx76cgtmhwwdy780rvwhobx8qoy4bnk
nvd.nist.gov/vuln/detail/CVE-2021-45229
github.com/apache/airflow/commit/628aa1f99c865d97d0b1c7c76e630e43a7b8d319
Left out here: 48 versions. The JSON record has them.