CVE-2020-2122
Stored XSS vulnerability in Jenkins brakeman Plugin
Jenkins Brakeman Plugin 0.12 and earlier did not escape values received from parsed JSON files when rendering them, resulting in a stored cross-site scripting vulnerability exploitable by users able to control the Brakeman post-build step input data.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Jenkins Brakeman Plugin 0.12 and earlier did not escape values received from parsed JSON files when rendering them, resulting in a stored cross-site scripting vulnerability exploitable by users able to control the Brakeman post-build step input data.
- Record
CVE-2020-2122- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE ListNo score
Jenkins Brakeman Plugin 0.12 and earlier did not escape values received from parsed JSON files when rendering them, resulting in a stored cross-site scripting vulnerability exploitable by users able to control the Brakeman post-build step input data.
- Record
CVE-2020-2122- Updated
- 2026-11-02
EUVDEUVD-2022-3046No score
Jenkins Brakeman Plugin 0.12 and earlier did not escape values received from parsed JSON files when rendering them, resulting in a stored cross-site scripting vulnerability exploitable by users able to control the Brakeman post-build step input data.
- Record
EUVD-2022-3046- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-7q9r-vhg2-789w
Stored XSS vulnerability in Jenkins brakeman Plugin
brakeman Plugin 0.12 and earlier did not escape values received from parsed JSON files when rendering them, resulting in a stored cross-site scripting vulnerability.
This vulnerability can be exploited by users able to control the Brakeman post-build step input data.\n\nbrakeman Plugin 0.13 escape affected values from the parsed file as they are recorded.
This fix is only applied to newly recorded data after a fixed version of the plugin is installed; historical data may still contain unsafe values.
- Record
GHSA-7q9r-vhg2-789w- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Jenkins Brakeman Plugin 0.12 and earlier did not escape values received from parsed JSON files when rendering them, resulting in a stored cross-site scripting vulnerability exploitable by users able to control the Brakeman post-build step input data.
- Record
CVE-2020-2122- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-7q9r-vhg2-789w
Stored XSS vulnerability in Jenkins brakeman Plugin
brakeman Plugin 0.12 and earlier did not escape values received from parsed JSON files when rendering them, resulting in a stored cross-site scripting vulnerability.
This vulnerability can be exploited by users able to control the Brakeman post-build step input data.\n\nbrakeman Plugin 0.13 escape affected values from the parsed file as they are recorded.
This fix is only applied to newly recorded data after a fixed version of the plugin is installed; historical data may still contain unsafe values.
- Record
GHSA-7q9r-vhg2-789w- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.jenkins-ci.plugins:brakemanMaven | before 0.13 | 0.13 |
org.jenkins-ci.plugins:brakemanMaven | before 0.13, plus listed versions 0.100.110.120.70.8 | 0.13 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| 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-2020-2122 is a medium vulnerability (CVSS 5.4) in Jenkins Brakeman, published February 12, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.82%, the 57th percentile. Fixed in org.jenkins-ci.plugins:brakeman 0.13.