High severity8.1NVD Advisory· Published May 25, 2021· Updated Jun 17, 2026
CVE-2021-21659
CVE-2021-21659
Description
Jenkins URLTrigger Plugin 0.48 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.jenkins-ci.plugins:urltriggerMaven | < 0.49 | 0.49 |
Affected products
3- Range: unspecified
Patches
Vulnerability mechanics
References
4- www.openwall.com/lists/oss-security/2021/05/25/3nvdMailing ListThird Party AdvisoryWEB
- github.com/advisories/GHSA-34j5-c4cv-mmg5ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2021-21659ghsaADVISORY
- www.jenkins.io/security/advisory/2021-05-25/nvdVendor AdvisoryWEB
News mentions
1- Jenkins Security Advisory 2021-05-25Jenkins Security Advisories · May 25, 2021