Vulnerability · Published Nov 12, 2021 · Assigned by jenkins
CVE-2021-21699
Medium 5.4
In plain English
A medium-severity security flaw in Jenkins Active Choices Plugin from Jenkins project. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 88.5% (higher than 99.8% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)88.5%top 0.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Jenkins Active Choices Plugin 2.5.6 and earlier does not escape the parameter name of reactive parameters and dynamic reference parameters, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.biouno:uno-choice | 2.5.7 | GHSA-rp4x-h577-chvq |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins project | Jenkins Active Choices Plugin | unspecified – through 2.5.6 |
References
- https://www.jenkins.io/security/advisory/2021-11-12/#SECURITY-2219 x_refsource_CONFIRM
- [oss-security] 20211112 Multiple vulnerabilities in Jenkins plugins mailing-list, x_refsource_MLIST