CVE-2026-36214
Quick assessment
Affected
osTicket osTicket
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.
osTicket是osTicket公司开源的一款广泛使用且值得信赖的开源支持工单系统。 osTicket 1.17.7及之前版本、1.18.3及之前版本存在安全漏洞，该漏洞源于Bootstrap Tooltip组件问题和HTML清理不足，可能导致存储型跨站脚本攻击，允许远程攻击者在代理或管理员会话中执行任意JavaScript。
In-the-Wild Activity Observed
github_trending · low
Possible ATT&CK Techniques 1 AI
T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-36214
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
osTicket versions from 1.10 up to 1.17.7 and from 1.18.0 up to 1.18.3 are vulnerable to a stored XSS due to a vulnerable Bootstrap Tooltip component and insufficient HTML sanitization, allowing remote attackers to execute arbitrary JavaScript in Agent or Admin sessions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/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
osTicket 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
osTicket是osTicket公司开源的一款广泛使用且值得信赖的开源支持工单系统。 osTicket 1.17.7及之前版本、1.18.3及之前版本存在安全漏洞，该漏洞源于Bootstrap Tooltip组件问题和HTML清理不足，可能导致存储型跨站脚本攻击，允许远程攻击者在代理或管理员会话中执行任意JavaScript。
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
II. Public POCs for CVE-2026-36214
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Patches & Fixes for CVE-2026-36214 (1)
Proof of Concept for CVE-2026-36214 (1)
Vendor Pages for CVE-2026-36214 (3)
IV. Related Vulnerabilities
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osTicket v1.18.3 - v1.17.7 - BOLA/IDOR in ticket field viewi -
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osTicket Dispatcher class.dispatcher.php cross-site request -
CVE-2026-22200
osTicket (1.18.x < 1.18.3, 1.17.x < 1.17.7) PDF Export Arbit
Same vendor: osTicket
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osTicket v1.18.3 - v1.17.7 - BOLA/IDOR in ticket field viewi -
CVE-2023-1315
Cross-site Scripting (XSS) - Reflected in osticket/osticket -
CVE-2023-1316
Cross-site Scripting (XSS) - Stored in osticket/osticket -
CVE-2023-1317
Cross-site Scripting (XSS) - Reflected in osticket/osticket -
CVE-2023-1318
Cross-site Scripting (XSS) - Generic in osticket/osticket
Same weakness: CWE-79
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V. Comments for CVE-2026-36214
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