Org.jenkins ci.plugins:htmlpublisher: Jenkins HTML Publisher Plugin has a XSS vulnerability in the legacy wrapper file
Affects org.jenkins-ci.plugins:htmlpublisherSource GCVE Database
Not known to be exploited · CVSS 8.0 High : upgrade to 427.1 soon.
Data as of 27 Oct 2026, 00:07 UTC
- Patch
- Available – fixed in 427.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 29 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade org.jenkins-ci.plugins:htmlpublisher to 427.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Mavenorg.jenkins-ci.plugins:htmlpublisher | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
Description
Jenkins HTML Publisher Plugin versoins 427 and earlier do not escape the job name and URL in the legacy wrapper file. This results in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission. HTML Publisher Plugin 427.1 escapes job name and URL when generating the legacy wrapper file.