CVE-2025-12799— Jastow: jastow cross-site scripting attack due to unsanitized uri
Quick assessment
Affected
Red Hat Red Hat JBoss Enterprise Application Platform 8.1.7.GA
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Undertow Jastow是美国Undertow组织开源的一个 JSP 引擎，专为 Java 应用提供 JSP 解析与执行能力。 Undertow Jastow存在跨站脚本漏洞，该漏洞源于使用允许URL中未转义字符的组合配置（集成Undertow和Jastow）时，会导致输入处理不当，容易受到跨站脚本攻击。
Possible ATT&CK Techniques 1 AI
T1059 · Command and Scripting InterpreterAffected Version Matrix 240
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Red Hat | Red Hat JBoss Enterprise Application Platform 7 | any |
affected |
any |
affected | ||
any |
affected | ||
any |
affected | ||
any |
affected | ||
any |
affected | ||
any |
affected | ||
| Red Hat | Red Hat JBoss Enterprise Application Platform 8 | any |
affected |
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:1-9.el10eap< * |
unaffected |
0:2.40.0-7.redhat_00015.1.el10eap< * |
unaffected | ||
1:2.0.0-2.redhat_00005.1.el10eap< * |
unaffected | ||
0:1.8.0-2.redhat_00001.1.el10eap< * |
unaffected | ||
0:2.4.0-1.redhat_00002.1.el10eap< * |
unaffected | ||
0:2.3.0-1.redhat_00001.1.el10eap< * |
unaffected | ||
0:2.0.5-1.redhat_00001.1.el10eap< * |
unaffected | ||
0:2.0.3-1.redhat_00001.1.el10eap< * |
unaffected | ||
| … +198 more rows | |||
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 8 | 0:4.0.10-3.redhat_00001.1.el8eap< * |
unaffected |
0:2.0.4-1.Final_redhat_00001.1.el8eap< * |
unaffected | ||
0:801.7.0-1.GA_redhat_00001.1.el8eap< * |
unaffected | ||
0:6.6.50-1.Final_redhat_00001.1.el8eap< * |
unaffected | ||
0:7.3.8-1.Final_redhat_00001.1.el8eap< * |
unaffected | ||
1:5.3.23-1.Final_redhat_00001.1.el8eap< * |
unaffected | ||
0:2.3.24-4.SP3_redhat_00001.1.el8eap< * |
unaffected | ||
0:2.2.9-1.SP1_redhat_00001.1.el8eap< * |
unaffected | ||
| … +3 more rows | |||
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 9 | 0:4.0.10-3.redhat_00001.1.el9eap< * |
unaffected |
0:2.0.4-1.Final_redhat_00001.1.el9eap< * |
unaffected | ||
0:801.7.0-1.GA_redhat_00001.1.el9eap< * |
unaffected | ||
0:6.6.50-1.Final_redhat_00001.1.el9eap< * |
unaffected | ||
0:7.3.8-1.Final_redhat_00001.1.el9eap< * |
unaffected | ||
1:5.3.23-1.Final_redhat_00001.1.el9eap< * |
unaffected | ||
0:2.3.24-4.SP3_redhat_00001.1.el9eap< * |
unaffected | ||
0:2.2.9-1.SP1_redhat_00001.1.el9eap< * |
unaffected | ||
| … +3 more rows | |||
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1.7.GA | 2.2.9.SP1-redhat-00001< * |
unaffected |
| Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack | any |
unaffected |
any |
affected | ||
| Red Hat | Red Hat Single Sign-On 7 | any |
affected |
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I. Basic Information for CVE-2025-12799
Vulnerability Information
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Vulnerability Title
Jastow: jastow cross-site scripting attack due to unsanitized uri
Source: CVE Program / CVE List V5
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Undertow Jastow 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Undertow Jastow是美国Undertow组织开源的一个 JSP 引擎，专为 Java 应用提供 JSP 解析与执行能力。 Undertow Jastow存在跨站脚本漏洞，该漏洞源于使用允许URL中未转义字符的组合配置（集成Undertow和Jastow）时，会导致输入处理不当，容易受到跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1.7.GA | 2.2.9.SP1-redhat-00001 ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el9
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:1-9.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:2.40.0-7.redhat_00015.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 1:2.0.0-2.redhat_00005.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:1.8.0-2.redhat_00001.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:2.4.0-1.redhat_00002.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:2.3.0-1.redhat_00001.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:2.0.5-1.redhat_00001.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:2.0.3-1.redhat_00001.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:4.13.2-1.redhat_00001.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:1.11.0-1.redhat_00001.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:1.9.0-1.redhat_00001.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:1.17.2-1.redhat_00001.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:3.2.2-28.redhat_2.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:2.16.1-2.redhat_00002.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:3.18.0-2.redhat_00003.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:4.0.10-3.redhat_00001.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:4.1.0-1.redhat_00001.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:0.8.12-1.redhat_00001.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:2.14.0-4.redhat_00003.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 1:2.0.0-2.redhat_00005.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:2.0.4-1.Final_redhat_00001.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:0.1.0-2.redhat_00010.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:2.0.1-5.redhat_00007.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:2.30.32-3.redhat_00003.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:8.6.6-5.redhat_00001.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:1.84.0-1.redhat_00001.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:1.14.18-2.redhat_00001.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:3.1.8-2.redhat_00002.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
| Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 for RHEL 10 | 0:1.0.0-2.Final_redhat_1.1.el10eap ~ * |
cpe:/a:redhat:jboss_enterprise_application_platform:8.1::el10
|
|
II. Public POCs for CVE-2025-12799
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2025-12799 (6)
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🔗 2413071 – (CVE-2025-12799) CVE-2025-12799 jastow: Jastow Cross-Site Scripting attack due to unsanitized URI Read full article issue-tracking x_refsource_REDHAT
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Same Patch Batch · Red Hat · 2026-07-07 · 7 CVEs total
| CVE-2026-14474 | 8.8 HIGH | Sssd: sssd: sudo ldap provider searches entire directory tree for sudorole objects by defa |
| CVE-2026-14476 | 8.0 HIGH | Sssd: sssd: gpo cache path traversal via unsanitized gpcfilesyspath allows kerberos authen |
| CVE-2026-58384 | 7.3 HIGH | Gimp: gimp: integer overflow in read_rle_channel() |
| CVE-2026-14940 | 5.3 MEDIUM | 389-ds-base: 389-ds-base: heap-buffer-overflow in dn normalization via quoted multivalued |
| CVE-2026-14969 | 4.4 MEDIUM | 389-ds-base: 389-ds-base: static initialization vector in aes-cbc/3des-cbc attribute encry |
| CVE-2026-14935 | 3.7 LOW | Gstreamer1-plugins-bad-free: gstreamer: webrtcbin accepts remote sdp without a=fingerprint |
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V. Comments for CVE-2025-12799
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