CVE-2025-12799

MEDIUM

Jastow: jastow cross-site scripting attack due to unsanitized uri

Title source: cna
STIX 2.1

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.

References (6)

Core 6
Core References
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:36343
https://access.redhat.com/errata/RHSA-2026:36343
Vdb Entry, X_Refsource_Redhat vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2025-12799
Issue Tracking, X_Refsource_Redhat issue-tracking x_refsource_redhat
RHBZ#2413071
https://bugzilla.redhat.com/show_bug.cgi?id=2413071
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:36342
https://access.redhat.com/errata/RHSA-2026:36342
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:36344
https://access.redhat.com/errata/RHSA-2026:36344
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:36345
https://access.redhat.com/errata/RHSA-2026:36345

Scores

CVSS v3 6.5
EPSS 0.0025
EPSS Percentile 15.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (50)
Red Hat/Red Hat JBoss Enterprise Application Platform 7
Red Hat/Red Hat JBoss Enterprise Application Platform 8
Red Hat/Red Hat JBoss Enterprise Application Platform 8.1
Red Hat/Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 0:0.1.0-2.redhat_00010.1.el10eap
Red Hat/Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 0:0.1.10-1.Final_redhat_00001.1.el10eap
Red Hat/Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 0:0.10.0-2.redhat_00001.1.el10eap
Red Hat/Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 0:0.8.12-1.redhat_00001.1.el10eap
Red Hat/Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 0:0.9.6-2.redhat_00002.1.el10eap
Red Hat/Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 0:1-9.el10eap
Red Hat/Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 0:1.0.0-1.Final_redhat_00001.1.el10eap
... and 40 more
Published Jul 07, 2026
Tracked Since Jul 07, 2026