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2625 articles · 156817 vulns · 36/41 feeds (7d)
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8.0
CVE-2026-42524EXPLOITEDPATCHED
jenkins · html publisher plugin

CVE-2026-42524: Jenkins HTML Publisher Plugin 427 and earlier does not escape job name and URL in the legacy wrapper file, resulting in

Description

Jenkins HTML Publisher Plugin 427 and earlier does not escape job name and URL in the legacy wrapper file, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.

Affected Products

VendorProductVersions
jenkinshtml publisher plugin0

Also Affects

Downstream vendors/products affected by this vulnerability

VendorProductSourceConfidence
jenkinsjenkinscert_advisory90%

References

  • https://www.jenkins.io/security/advisory/2026-04-29/#SECURITY-3706(vendor-advisory)

Related News (3 articles)

Tier B
BSI Advisories27d ago
[NEU] [hoch] Jenkins Plugins: Mehrere Schwachstellen
→ No new info (linked only)
Tier B
CCCS Canada28d ago
Jenkins security advisory (AV26-403)
→ No new info (linked only)
Tier C
VulDB28d ago
CVE-2026-42524 | Jenkins HTML Publisher Plugin up to 427 cross site scripting
→ No new info (linked only)
CVSS 3.18.0 HIGH
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
CISA KEV❌ No
Actively exploited✅ Yes
Patch available
https://www.jenkins.io/security/advisory/2026-04-29/#SECURITY-3706
PublishedApr 29, 2026
Last enriched28d agov3
Tags
security advisory
Trending Score1
Source articles3
Independent3
Info Completeness8/14
Missing: cvss, epss, cwe, kev, iocs, mitre_attack

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Related CVEs (5)

PRE-CVE
Multiple Vulnerabilities in Jenkins Plugins
Trending: 20
CRITICALCVE-2026-42523EXP
CVE-2026-42523: Jenkins GitHub Plugin 1.46.0 and earlier improperly processes the current job URL as part of JavaScript implementing val
Trending: 1
HIGHCVE-2026-33002
Jenkins 2.442 through 2.554 (both inclusive), LTS 2.426.3 through LTS 2.541.2 (both inclusive) performs origin validation of requests made through the CLI WebSocket endpoint by computing the expected
Trending: 1
MEDIUMCVE-2026-33003
Jenkins LoadNinja Plugin 2.1 and earlier stores LoadNinja API keys unencrypted in job config.xml files on the Jenkins controller where they can be viewed by users with Item/Extended Read permission or
Trending: 1
HIGHCVE-2026-42520EXP
CVE-2026-42520: Jenkins Credentials Binding Plugin 719.v80e905ef14eb_ and earlier does not sanitize file names for file and zip file cre
Trending: 1

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Apr 29, 2026
Discovered by ZDM
Apr 29, 2026
Updated: severity
Apr 29, 2026
Updated: affectedVersions, exploitAvailable, activelyExploited, tags
Apr 29, 2026
Actively Exploited
Apr 29, 2026
Exploit Available
Apr 29, 2026
Patch Available
Apr 29, 2026

Version History

v3
Last enriched 28d ago
v3Tier B28d ago

Updated affected versions, marked exploit as available and actively exploited, and added a security advisory tag.

affectedVersionsexploitAvailableactivelyExploitedtags
via CCCS Canada
v2Tier C28d ago

Updated severity to HIGH and corrected exploit availability to false.

severity
via VulDB
v128d ago

Initial creation