CVE-2020-2137
Stored XSS vulnerability in Jenkins Timestamper Plugin
Jenkins Timestamper Plugin 1.11.1 and earlier does not sanitize HTML formatting of its output, resulting in a stored XSS vulnerability exploitable by attackers with Overall/Administer permission.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
Jenkins Timestamper Plugin 1.11.1 and earlier does not sanitize HTML formatting of its output, resulting in a stored XSS vulnerability exploitable by attackers with Overall/Administer permission.
- Record
CVE-2020-2137- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/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 List No score
Jenkins Timestamper Plugin 1.11.1 and earlier does not sanitize HTML formatting of its output, resulting in a stored XSS vulnerability exploitable by attackers with Overall/Administer permission.
- Record
CVE-2020-2137- Updated
- 2026-11-02
EUVDEUVD-2022-2884 No score
Jenkins Timestamper Plugin 1.11.1 and earlier does not sanitize HTML formatting of its output, resulting in a stored XSS vulnerability exploitable by attackers with Overall/Administer permission.
- Record
EUVD-2022-2884- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6xxf-rwv4-mrjm
Stored XSS vulnerability in Jenkins Timestamper Plugin
Timestamper Plugin 1.11.1 and earlier does not escape or sanitize the HTML formatting used to display the timestamps in console output for builds.
This results in a stored cross-site scripting vulnerability that can be exploited by users with Overall/Administer permission.
Timestamper Plugin 1.11.2 sanitizes the HTML formatting for timestamps and only allows basic, safe HTML formatting.
- Record
GHSA-6xxf-rwv4-mrjm- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
Jenkins Timestamper Plugin 1.11.1 and earlier does not sanitize HTML formatting of its output, resulting in a stored XSS vulnerability exploitable by attackers with Overall/Administer permission.
- Record
CVE-2020-2137- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-6xxf-rwv4-mrjm
Stored XSS vulnerability in Jenkins Timestamper Plugin
Timestamper Plugin 1.11.1 and earlier does not escape or sanitize the HTML formatting used to display the timestamps in console output for builds.
This results in a stored cross-site scripting vulnerability that can be exploited by users with Overall/Administer permission.
Timestamper Plugin 1.11.2 sanitizes the HTML formatting for timestamps and only allows basic, safe HTML formatting.
- Record
GHSA-6xxf-rwv4-mrjm- CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/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:timestamperMaven |
through 1.11.1 | 1.11.2 |
org.jenkins-ci.plugins:timestamperMaven |
before 1.11.2, plus listed versions 1.101.111.11.11.31.3.1 Show 36 moreShow less1.3.21.41.51.5.11.5.111.5.121.5.131.5.141.5.151.5.161.5.21.5.31.5.41.5.51.5.61.5.71.5.81.5.91.61.6.21.71.7.11.7.21.7.31.7.41.8.11.8.101.8.21.8.31.8.41.8.51.8.61.8.71.8.81.8.91.9 |
1.11.2 |
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-2020-2137 is a medium vulnerability (CVSS 4.8) in Jenkins Timestamper, published March 9, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.70%, the 53rd percentile. Fixed in org.jenkins-ci.plugins:timestamper 1.11.2.