CVE-2021-21610

Summary

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not implement any restrictions for the URL rendering a formatted preview of markup passed as a query parameter, resulting in a reflected cross-site scripting (XSS) vulnerability if the configured markup formatter does not prohibit unsafe elements (JavaScript) in markup.

Affected Software

VendorProductVersion RangeStatus
Jenkins projectJenkinsunspecified <= 2.274affected
Jenkins projectJenkinsunspecified <= LTS 2.263.1affected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

References