Vulnerability · Published Mar 30, 2021 · Assigned by jenkins
CVE-2021-21635
Medium 5.4
In plain English
A medium-severity security flaw in Jenkins REST List Parameter 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 8.8% (higher than 95% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)8.8%top 4.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Jenkins REST List Parameter Plugin 1.3.0 and earlier does not escape a parameter name reference in embedded JavaScript, 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 | io.jenkins.plugins:rest-list-parameter | 1.3.1 | GHSA-x3m6-vcp7-98mr |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins project | Jenkins REST List Parameter Plugin | unspecified – through 1.3.0 |
References
- https://www.jenkins.io/security/advisory/2021-03-30/#SECURITY-2261 x_refsource_CONFIRM
- [oss-security] 20210330 Multiple vulnerabilities in Jenkins plugins mailing-list, x_refsource_MLIST