Vulnerability · Published Sep 16, 2020 · Assigned by jenkins
CVE-2020-2257
Medium 5.4
In plain English
A medium-severity security flaw in Jenkins Validating String 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 0.7% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.4Medium
Exploit odds (30 days)0.7%top 45.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Jenkins Validating String Parameter Plugin 2.4 and earlier does not escape various user-controlled fields, 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.jenkins-ci.plugins:validating-string-parameter | 2.5 | GHSA-fvwh-wv43-8qj5 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Jenkins project | Jenkins Validating String Parameter Plugin | unspecified – through 2.4 |
References
- https://www.jenkins.io/security/advisory/2020-09-16/#SECURITY-1935 x_refsource_CONFIRM
- [oss-security] 20200916 Multiple vulnerabilities in Jenkins plugins mailing-list, x_refsource_MLIST