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.
History

Thu, 09 Jul 2026 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 08 Jul 2026 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Moderate


Tue, 07 Jul 2026 19:00:00 +0000

Type Values Removed Values Added
CPEs cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el8
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el9
References

Tue, 07 Jul 2026 16:45:00 +0000

Type Values Removed Values Added
Description 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.
Title Jastow: jastow cross-site scripting attack due to unsanitized uri
First Time appeared Redhat
Redhat jboss Enterprise Application Platform
Redhat jbosseapxp
Redhat red Hat Single Sign On
Weaknesses CWE-79
CPEs cpe:/a:redhat:jboss_enterprise_application_platform:7
cpe:/a:redhat:jboss_enterprise_application_platform:8
cpe:/a:redhat:jbosseapxp
cpe:/a:redhat:red_hat_single_sign_on:7
Vendors & Products Redhat
Redhat jboss Enterprise Application Platform
Redhat jbosseapxp
Redhat red Hat Single Sign On
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2026-07-07T16:18:57.555Z

Updated: 2026-07-09T14:42:47.239Z

Reserved: 2025-11-06T11:15:12.378Z

Link: CVE-2025-12799

cve-icon Vulnrichment

Updated: 2026-07-09T13:34:25.471Z

cve-icon NVD

No data.

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-07-07T00:00:00Z

Links: CVE-2025-12799 - Bugzilla