CVE-2021-21610

Name
CVE-2021-21610
Description
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.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Vendor Advisory https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2153

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* jenkins >= None <= 2.263.1
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* jenkins >= None <= 2.274

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
jenkins edge-community 2.275-r0 None fixed
jenkins edge-community 2.245-r0 None possibly vulnerable
jenkins edge-community 2.228-r0 None possibly vulnerable
jenkins 3.22-community 2.275-r0 None fixed
jenkins 3.22-community 2.245-r0 None possibly vulnerable
jenkins 3.22-community 2.228-r0 None possibly vulnerable
jenkins 3.21-community 2.275-r0 None fixed
jenkins 3.20-community 2.275-r0 None fixed
jenkins 3.19-community 2.275-r0 None fixed
jenkins 3.18-community 2.275-r0 None fixed
jenkins 3.17-community 2.275-r0 None fixed