Is CVE-2026-42524 actively exploited?

No active exploitation of CVE-2026-42524 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-42524 be exploited remotely?

Yes. CVE-2026-42524 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-42524?

CVE-2026-42524 has a CVSS score of 8.0 (HIGH).

HOME VULNERABILITIESCVE-2026-42524

HIGH

CVE-2026-42524

CWE-79Published: April 29, 2026· Updated: May 5, 2026

8.0

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:12.3th

Official 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.

NVD Source

Technical Analysis

CVE-2026-42524 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.0.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.