XXE vulnerability in Jenkins Generic Webhook Trigger Plugin

published 2021-06-18 5 y ago modified 2026-06-17 4 mo ago also GHSA-732f-w585-gmpc , EUVD-2022-2896

cvss: 9.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 25.7%; EPSS 25.7% chance of exploitation in 30 days, percentile 97%
public exploits: 0; none known

Jenkins Generic Webhook Trigger Plugin 1.72 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

Patch / fix

fixed in 1 links 1

maven org.jenkins-ci.plugins:generic-webhook-trigger 1.74

github.com/jenkinsci/generic-webhook-trigger-plugin@da434df commit

Exploit prediction

25.75% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P
GitHub	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
maven	org.jenkins-ci.plugins:generic-webhook-trigger	<1.74	1.74

Affected products

Jenkins project Jenkins Generic Webhook Trigger Plugin

Classification

Weakness

CWE-611 Improper Restriction of XML External Entity Reference

References

github.com /jenkinsci/generic-webhook-trigger-plugin/commit/da434dfca1b82f5de81e29438762370d652493b8
web
jenkins.io /security/advisory/2021-06-18/#SECURITY-2330
web, vendor-advisory
openwall.com /lists/oss-security/2021/06/18/1
mailing-list, web, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2021-21669
advisory
github.com /jenkinsci/generic-webhook-trigger-plugin
package
plugins.jenkins.io /generic-webhook-trigger/#dependencies
web

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary