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BIT-jenkins-2021-21611

Affected: Bitnami: jenkins

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape display names and IDs of item types shown on the New Item page, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to specify display names or IDs of item types.

cnvd-2021-03558

EUVD-2026-22301

fkie_cve-2021-21611

GHSA-mj7q-cmf3-mg7h — Stored XSS vulnerability in Jenkins on new item page

Affected: Maven: org.jenkins-ci.main:jenkins-core

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier does not escape display names and IDs of item types shown on the New Item page.

This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to specify display names or IDs of item types.

As of the publication of this advisory, the Jenkins security team is not aware of any plugins published via the Jenkins project update center that allow doing this. Jenkins 2.275, LTS 2.263.2 escapes display names and IDs of item types shown on the New Item page.

gsd-2021-21611

RHSA-2021:0423 — Red Hat Security Advisory: OpenShift Container Platform 4.6.17 security and packages update

ant: insecure temporary file vulnerability ant: insecure temporary file jenkins: Arbitrary file read vulnerability in workspace browsers jenkins: XSS vulnerability in notification bar jenkins: Improper handling of REST API XML deserialization errors jenkins: Path traversal vulnerability in agent names jenkins: Arbitrary file existence check in file fingerprints jenkins: Excessive memory allocation in graph URLs leads to denial of service jenkins: Stored XSS vulnerability in button labels jenkins: Missing permission check for paths with specific prefix jenkins: Reflected XSS vulnerability in markup formatter preview jenkins: Stored XSS vulnerability on new item page jenkins: Filesystem traversal by privileged users