CVE-2025-12799 - CVE House
Back to Database
Status published Medium CVE-2025-12799

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

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-12799

Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Red Hat JBoss Enterprise Application Platform 8.1, Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10, Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8, Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9, Red Hat JBoss Enterprise Application Platform 7, Red Hat JBoss Enterprise Application Platform 8, Red Hat JBoss Enterprise Application Platform Expansion Pack, Red Hat Single Sign-On 7
Vulnerable Versions:
0:1-9.el10eap, 0:2.40.0-7.redhat_00015.1.el10eap, 1:2.0.0-2.redhat_00005.1.el10eap, 0:1.8.0-2.redhat_00001.1.el10eap, 0:2.4.0-1.redhat_00002.1.el10eap, 0:2.3.0-1.redhat_00001.1.el10eap, 0:2.0.5-1.redhat_00001.1.el10eap, 0:2.0.3-1.redhat_00001.1.el10eap, 0:4.13.2-1.redhat_00001.1.el10eap, 0:1.11.0-1.redhat_00001.1.el10eap, 0:1.9.0-1.redhat_00001.1.el10eap, 0:1.17.2-1.redhat_00001.1.el10eap, 0:3.2.2-28.redhat_2.1.el10eap, 0:2.16.1-2.redhat_00002.1.el10eap, 0:3.18.0-2.redhat_00003.1.el10eap, 0:4.0.10-3.redhat_00001.1.el10eap, 0:4.1.0-1.redhat_00001.1.el10eap, 0:0.8.12-1.redhat_00001.1.el10eap, 0:2.14.0-4.redhat_00003.1.el10eap, 0:2.0.4-1.Final_redhat_00001.1.el10eap, 0:0.1.0-2.redhat_00010.1.el10eap, 0:2.0.1-5.redhat_00007.1.el10eap, 0:2.30.32-3.redhat_00003.1.el10eap, 0:8.6.6-5.redhat_00001.1.el10eap, 0:1.84.0-1.redhat_00001.1.el10eap, 0:1.14.18-2.redhat_00001.1.el10eap, 0:3.1.8-2.redhat_00002.1.el10eap, 0:1.0.0-2.Final_redhat_1.1.el10eap, 0:1.2.5-2.redhat_00001.1.el10eap, 0:801.7.0-1.GA_redhat_00001.1.el10eap, 1:3.33.0-1.redhat_00001.1.el10eap, 0:6.10.1.202505221210-1.r_redhat_00002.1.el10eap, 0:8.15.4-4.redhat_00003.1.el10eap, 0:4.1.2-1.Final_redhat_00001.1.el10eap, 0:1.0.1-3.redhat_00003.1.el10eap, 0:5.0.0-6.redhat_00001.1.el10eap, 0:2.1.1-1.redhat_00001.1.el10eap, 0:1.2.0-4.redhat_00007.1.el10eap, 0:1.1.0-4.redhat_00007.1.el10eap, 0:1.0.13-4.redhat_5.1.el10eap, 0:2.10.1-2.redhat_00005.1.el10eap, 0:1.0.3-1.redhat_00001.1.el10eap, 0:33.0.0-3.jre_redhat_00004.1.el10eap, 0:2.2.224-4.redhat_00003.1.el10eap, 0:3.7.19-1.Final_redhat_00001.1.el10eap, 0:6.6.50-1.Final_redhat_00001.1.el10eap, 0:7.0.3-3.Final_redhat_00002.1.el10eap, 0:7.2.6-1.Final_redhat_00001.1.el10eap, 0:8.0.2-1.Final_redhat_00001.1.el10eap, 0:2.4.11-1.Final_redhat_00001.1.el10eap, 0:0.10.0-2.redhat_00001.1.el10eap, 0:4.1.5-4.redhat_00006.1.el10eap, 0:4.5.14-5.redhat_00016.1.el10eap, 0:4.4.16-6.redhat_00011.1.el10eap, 0:15.0.21-1.Final_redhat_00002.1.el10eap, 0:1.1.3-2.redhat_00002.1.el10eap, 0:1.1.1-1.Final_redhat_00001.1.el10eap, 0:3.0.18-1.Final_redhat_00001.1.el10eap, 0:2.18.4-2.redhat_00002.1.el10eap, 0:2.18.4-1.redhat_00002.1.el10eap, 0:1.8.0-3.redhat_00002.1.el10eap, 0:2.1.4-1.redhat_00001.1.el10eap, 0:2.1.1-5.redhat_00005.1.el10eap, 0:3.0.0-3.redhat_00001.1.el10eap, 0:2.1.0-3.redhat_00001.1.el10eap, 0:2.1.1-3.redhat_00003.1.el10eap, 0:4.0.1-2.redhat_00001.1.el10eap, 0:3.0.2-1.redhat_00001.1.el10eap, 0:3.0.3-1.redhat_00001.1.el10eap, 0:2.1.0-5.redhat_00003.1.el10eap, 0:3.1.0-4.redhat_00003.1.el10eap, 0:1.1.6-5.redhat_00003.1.el10eap, 0:2.1.3-1.redhat_00002.1.el10eap, 0:2.1.3-3.redhat_00003.1.el10eap, 0:2.1.0-2.redhat_00001.1.el10eap, 0:3.0.0-2.redhat_00001.1.el10eap, 0:6.0.0-6.redhat_00007.1.el10eap, 0:3.1.1-1.redhat_00001.1.el10eap, 0:2.0.1-3.redhat_00004.1.el10eap, 0:3.0.2-3.redhat_00006.1.el10eap, 0:3.1.0-5.redhat_00003.1.el10eap, 0:4.0.4-1.redhat_00001.1.el10eap, 0:3.2.7-1.redhat_00001.1.el10eap, 0:2.4.1-2.redhat_00001.1.el10eap, 0:1.9.3-4.redhat_00004.1.el10eap, 0:1.6.0-1.redhat_00001.1.el10eap, 0:3.1.0-4.redhat_00002.1.el10eap, 0:3.0.3-2.redhat_00001.1.el10eap, 0:1.2.3-1.redhat_00002.1.el10eap, 0:6.0.0-8.el10eap, 0:4.0.6-1.redhat_00001.1.el10eap, 0:2.0.1-2.redhat_00001.1.el10eap, 0:3.1.0-1.Final_redhat_00001.1.el10eap, 0:2.4.0-2.redhat_00001.1.el10eap, 0:1.3.1-1.Final_redhat_00001.1.el10eap, 0:2.0.1-2.Final_redhat_00001.1.el10eap, 0:1.7.0-2.Final_redhat_00001.1.el10eap, 0:2.4.0-2.Final_redhat_00001.1.el10eap, 0:5.0.8-1.Final_redhat_00001.1.el10eap, 0:4.0.2-1.Final_redhat_00001.1.el10eap, 0:3.0.0-3.Final_redhat_00001.1.el10eap, 0:2.0.1-1.Final_redhat_00001.1.el10eap, 0:1.0.0-1.Final_redhat_00001.1.el10eap, 0:3.6.2-1.Final_redhat_00001.1.el10eap, 0:2.1.19-1.Final_redhat_00001.1.el10eap, 0:2.2.3-2.Final_redhat_00001.1.el10eap, 0:16.1.0-1.Final_redhat_00001.1.el10eap, 0:2.1.6-1.Final_redhat_00001.1.el10eap, 0:1.5.5-1.Final_redhat_00001.1.el10eap, 0:10.1.1-1.Final_redhat_00001.1.el10eap, 0:5.0.31-1.Final_redhat_00001.1.el10eap, 0:3.1.0-3.Final_redhat_00002.1.el10eap, 0:1.1.0-1.Final_redhat_00001.1.el10eap, 0:2.5.0-1.redhat_00001.1.el10eap, 0:8.0.0-1.Final_redhat_00001.1.el10eap, 0:3.3.2-1.Final_redhat_00001.1.el10eap, 0:5.0.0-4.SP3_redhat_00001.1.el10eap, 0:3.0.0-1.Final_redhat_00001.1.el10eap, 0:5.1.0-2.Final_redhat_00001.1.el10eap, 0:2.1.0-2.Final_redhat_00001.1.el10eap, 0:7.3.8-1.Final_redhat_00001.1.el10eap, 0:2.0.0-1.Final_redhat_00001.1.el10eap, 0:5.0.0-1.Final_redhat_00001.1.el10eap, 0:3.8.16-1.Final_redhat_00001.1.el10eap, 0:1.0.0-3.redhat_00009.1.el10eap, 1:5.3.23-1.Final_redhat_00001.1.el10eap, 0:3.0.1-1.Final_redhat_00001.1.el10eap, 0:2.0.2-1.Final_redhat_00002.1.el10eap, 0:2.0.2-1.Final_redhat_00001.1.el10eap, 0:2.12.7-1.redhat_00002.1.el10eap, 0:0.9.6-2.redhat_00002.1.el10eap, 0:4.0.11-1.redhat_00001.1.el10eap, 0:3.0.1-2.redhat_00002.1.el10eap, 0:1.9.0-3.redhat_00002.1.el10eap, 0:1.0.1-1.Final_redhat_3.1.el10eap, 0:2.23.1-2.redhat_00002.1.el10eap, 0:9.11.1-1.redhat_00001.1.el10eap, 0:7.1.2-2.Final_redhat_00001.1.el10eap, 0:3.2.1-1.redhat_00002.1.el10eap, 0:4.1.132-1.Final_redhat_00001.1.el10eap, 0:0.1.10-1.Final_redhat_00001.1.el10eap, 0:9.37.3-1.redhat_00001.1.el10eap, 0:9.7.1-3.redhat_00002.1.el10eap, 0:4.3.2-2.redhat_00002.1.el10eap, 0:1.1.7-3.redhat_00003.1.el10eap, 0:2.4.0-1.redhat_00001.1.el10eap, 0:3.6.1-1.redhat_00001.1.el10eap, 0:4.0.3-2.redhat_00001.1.el10eap, 0:5.0.14-2.Final_redhat_00002.1.el10eap, 0:1.0.4-4.redhat_00005.1.el10eap, 0:3.1.12-1.redhat_00001.1.el10eap, 0:2.2.21-5.redhat_00003.1.el10eap, 0:2.2.0-2.redhat_00001.1.el10eap, 0:6.2.15-1.Final_redhat_00002.1.el10eap, 0:2.0.1-3.Final_redhat_00001.1.el10eap, 0:3.2.0-3.Final_redhat_00001.1.el10eap, 0:3.0.4-2.redhat_00002.1.el10eap, 0:8.0.0-6.redhat_00001.1.el10eap, 0:2.0.17-1.redhat_00001.1.el10eap, 0:2.3.0-1.redhat_00002.1.el10eap, 0:4.2.2-2.redhat_00003.1.el10eap, 0:2.1.0-3.redhat_00003.1.el10eap, 0:1.5.0-2.Final_redhat_00001.1.el10eap, 0:4.1.2-2.redhat_00003.1.el10eap, 0:2.3.24-4.SP3_redhat_00001.1.el10eap, 0:2.2.9-1.SP1_redhat_00001.1.el10eap, 0:1.1.6-3.redhat_1.1.el10eap, 0:2.3.0-7.redhat_00010.1.el10eap, 0:5.1.6-1.Final_redhat_00001.1.el10eap, 0:8.1.7-4.GA_redhat_00003.1.el10eap, 0:1.0.1-4.Final_redhat_00002.1.el10eap, 0:5.0.12-1.Final_redhat_00001.1.el10eap, 0:1.7.0-2.Final_redhat_00003.1.el10eap, 0:1.3.0-1.Final_redhat_00001.1.el10eap, 0:2.6.9-1.Final_redhat_00001.1.el10eap, 0:3.1.4-2.Final_redhat_00001.1.el10eap, 0:2.1.4-1.Final_redhat_00001.1.el10eap, 0:8.1.1-11.GA_redhat_00019.1.el10eap, 0:2.3.0-1.Final_redhat_00001.1.el10eap, 0:2.3.0-1.Final.redhat.00001.1.el10eap, 0:3.0.5-1.Final_redhat_00001.1.el10eap, 0:7.0.0-1.redhat_00002.1.el10eap, 0:2.3.0-2.redhat_00002.1.el10eap, 0:1.6.3-5.redhat_00008.1.el10eap, 0:3.0.4-1.redhat_00002.1.el10eap, 0:1.2.0-2.redhat_12.1.el10eap, 0:3.0.5-1.redhat_00001.1.el10eap, 0:3.0.4-5.redhat_00007.1.el10eap, 0:4.0.10-3.redhat_00001.1.el8eap, 0:2.0.4-1.Final_redhat_00001.1.el8eap, 0:801.7.0-1.GA_redhat_00001.1.el8eap, 0:6.6.50-1.Final_redhat_00001.1.el8eap, 0:7.3.8-1.Final_redhat_00001.1.el8eap, 1:5.3.23-1.Final_redhat_00001.1.el8eap, 0:2.3.24-4.SP3_redhat_00001.1.el8eap, 0:2.2.9-1.SP1_redhat_00001.1.el8eap, 0:8.1.7-4.GA_redhat_00003.1.el8eap, 0:2.6.9-1.Final_redhat_00001.1.el8eap, 0:8.1.1-11.GA_redhat_00019.1.el8eap, 0:4.0.10-3.redhat_00001.1.el9eap, 0:2.0.4-1.Final_redhat_00001.1.el9eap, 0:801.7.0-1.GA_redhat_00001.1.el9eap, 0:6.6.50-1.Final_redhat_00001.1.el9eap, 0:7.3.8-1.Final_redhat_00001.1.el9eap, 1:5.3.23-1.Final_redhat_00001.1.el9eap, 0:2.3.24-4.SP3_redhat_00001.1.el9eap, 0:2.2.9-1.SP1_redhat_00001.1.el9eap, 0:8.1.7-4.GA_redhat_00003.1.el9eap, 0:2.6.9-1.Final_redhat_00001.1.el9eap, 0:8.1.1-11.GA_redhat_00019.1.el9eap

Timeline

Official Publish: July 7th, 2026
Last Modified: July 9th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N

Weaknesses (CWE)