CVE-2025-12799 | BDVDB-2026-345892 Detail

Red HatRed Hat JBoss Enterprise Application Platform 8.1.7.GA

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#

Per CVSS v3.1: confidentiality impact low, integrity impact high, availability impact none. Attack vector: network.

Weaknesses#

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References#

Exploit#

No public exploit known

History#

Version 12026-07-07Record published in the CVE List.
Version 22026-07-29Most recent update recorded in the CVE List.

Published

Published: 2026-07-07
Last modified: 2026-07-29

Vendor information

Vendor: Red Hat
Product: Red Hat JBoss Enterprise Application Platform 8.1.7.GA

All Red Hat vulnerabilities

Score

6.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 35.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Cross-Site Scripting

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
Not stated
Fixed
2.2.9.SP1-redhat-00001

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.5 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	High
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).