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CVE-2026-113689— Stored Cross-Site Scripting in BMC ITSM Work Notes

Quick assessment

Affected

BMC BMC IT Service Management Suite

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.

BMC IT Service Management Suite 25.3.01、25.4.01 和 26.1.01 版本的 SmartIT 工作备注（work-notes）功能中存在存储型跨站脚本（Stored XSS）漏洞，该漏洞允许已认证用户在其他用户的浏览器中执行存储的恶意脚本。

CVSS 5.1 · Medium Updated Oct 29, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

Stored Cross-Site Scripting in BMC ITSM Work Notes

Source: CVE Program / CVE List V5

Vulnerability Description

Stored cross-site scripting in the SmartIT work-notes feature of BMC IT Service Management Suite versions 25.3.01, 25.4.01, and 26.1.01 allows authenticated users to execute stored scripts in other users' browsers.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA: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

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
BMC	BMC IT Service Management Suite	25.3.01	-

II. Public POCs for CVE-2026-113689

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-113689

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Vendor Advisories for CVE-2026-113689 (1)

🔗 Advisories/advisories/2026/CVE-2026-113689/advisory.md at main · NCSC-Assess/Advisories · GitHub Read full article

Vendor Pages for CVE-2026-113689 (3)

https://www.cve.org/CVERecord?id=CVE-2026-113689

Same Patch Batch · BMC · 2026-10-29 · 10 CVEs total

CVE-2026-113692	6.9 MEDIUM	Path Traversal in BMC ITSM
CVE-2026-113693	5.3 MEDIUM	System Account Credential Disclosure in BMC ITSM
CVE-2026-113694	5.3 MEDIUM	Improper Authorization in BMC ITSM SmartIT Attachments
CVE-2026-113688	5.3 MEDIUM	Server-Side Request Forgery in BMC ITSM SmartIT
CVE-2026-113696	5.3 MEDIUM	Improper Authorization in BMC ITSM SmartIT Change Approvals
CVE-2026-113691	5.1 MEDIUM	Stored Cross-Site Scripting in BMC ITSM Knowledge Articles
CVE-2026-113695	4.8 MEDIUM	Reflected Cross-Site Scripting in BMC ITSM SmartIT
CVE-2026-113690	4.8 MEDIUM	Stored Cross-Site Scripting in BMC ITSM Attachments
CVE-2026-113697	4.8 MEDIUM	Reflected Cross-Site Scripting in BMC Helix Operations Management

IV. Related Vulnerabilities

Same product: BMC IT Service Management Suite

Same vendor: BMC

Same weakness: CWE-79