CVE-2026-42524

Name: CVE-2026-42524
Creator: NVD / NIST
Published: 2026-04-29T14:16:19.457+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8/10EPSS 0.28%

Last modified Jun 17, 2026

CVE-2026-42524 is a high-severity vulnerability rated 8/10 on the CVSS scale. 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.. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.28%

19.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Jenkins	Html Publisher	<= 427

References

https://www.jenkins.io/security/advisory/2026-04-29/#SECURITY-3706Vendor Advisory

Timeline

Published: Apr 29, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-42524?

How severe is CVE-2026-42524?

CVE-2026-42524 has a CVSS score of 8/10 (HIGH severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.

How do I fix CVE-2026-42524?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-42524?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST