Vulnerability · Published Feb 24, 2021 · Assigned by jenkins
CVE-2021-21616
Medium 4.6
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 76.2% (higher than 99.5% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)4.6Medium
Exploit odds (30 days)76.2%top 0.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Jenkins Active Choices Plugin 2.5.2 and earlier does not escape reference parameter values, 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 | 2.5.3 | GHSA-4f6x-g5vh-8jm5 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins project | Jenkins Active Choices Plugin | unspecified – through 2.5.2 |
References
- https://www.jenkins.io/security/advisory/2021-02-24/#SECURITY-2192 x_refsource_CONFIRM
- [oss-security] 20210224 Multiple vulnerabilities in Jenkins plugins mailing-list, x_refsource_MLIST