CVE-2025-12799

EUVD-2025-210439
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://access.redhat.com/errata/RHSA-2026:36342
https://access.redhat.com/errata/RHSA-2026:36343
https://access.redhat.com/errata/RHSA-2026:36344
https://access.redhat.com/security/cve/CVE-2025-12799
https://bugzilla.redhat.com/show_bug.cgi?id=2413071