Cross-site Scripting (XSS) Affecting eap8-jsf-impl package, versions <0:4.0.11-1.redhat_00001.1.el10eap


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.25% (16th percentile)

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  • Snyk IDSNYK-RHEL10-EAP8JSFIMPL-17883449
  • published8 Jul 2026
  • disclosed1 Jan 2025

Introduced: 1 Jan 2025

CVE-2025-12799  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade RHEL:10 eap8-jsf-impl to version 0:4.0.11-1.redhat_00001.1.el10eap or higher.
This issue was patched in RHSA-2026:36344.

NVD Description

Note: Versions mentioned in the description apply only to the upstream eap8-jsf-impl package and not the eap8-jsf-impl package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

A flaw was found in Jastow. Jastow is vulnerable to Cross-Site Scripting (XSS) attack. If using a set of combined configuration to allow unescaped characters in URL with embedded Undertow and Jastow, a server might be vulnerable to improper input handling.

CVSS Base Scores

version 3.1