CVE-2026-42524

Severity: high (CVSS 8.0 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-29 · updated 2026-10-26
Weakness: CWE-79

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

Jenkins Project Jenkins HTML Publisher Plugin: through 427

References

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

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