Stored XSS vulnerability in Jenkins Walti plugin

published 2022-09-21 4 y ago modified 2026-06-17 4 mo ago also GHSA-7qpm-vmwv-hq7h , EUVD-2022-6736

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits: 0; none known

Jenkins Walti Plugin 1.0.1 and earlier does not escape the information provided by the Walti API, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide malicious API responses from Walti.

Patch / fix

links 1

github.com/jenkins-infra/update-center2#644 pull request

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 17 mo ago (2025-05-28)

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
GitHub	3.1	7.5	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
maven	org.jenkins-ci.plugins:walti	<=1.0.1	no fix listed

Affected products

Jenkins project Jenkins Walti Plugin

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /jenkins-infra/update-center2/pull/644
web
jenkins.io /security/advisory/2022-09-21/#SECURITY-1870
web, vendor-advisory
nvd.nist.gov /vuln/detail/CVE-2022-41240
advisory
github.com /jenkinsci/walti-plugin
package
plugins.jenkins.io /walti
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