CVE-2026-63081 in Perfect Support Ticketing & Document Management System
Summary
by MITRE • 07/16/2026
Perfect Support Ticketing & Document Management System through 1.7 contains a stored cross-site scripting vulnerability that allows authenticated attackers with Agent-level privileges to inject malicious payloads into the Notes field of assigned support tickets. Attackers can store malicious scripts that execute in the browser context of any user who views the affected ticket notes, including Superadmin users, enabling session hijacking or unauthorized actions on behalf of the victim.
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Analysis
by VulDB Data Team • 07/16/2026
This vulnerability exists within a support ticketing and document management system version 1.7 where authenticated users with Agent privileges can inject malicious scripts into the Notes field of support tickets they are assigned to handle. The flaw represents a classic stored cross-site scripting vulnerability that allows attackers to persistently embed malicious code within the application's data storage, making it particularly dangerous as the payload executes every time any user views the affected ticket notes regardless of their privilege level.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding mechanisms within the Notes field processing functionality. When users enter content into the Notes field, the system fails to properly sanitize or escape special characters that could be interpreted as executable script code by web browsers. This allows attackers with Agent-level access to craft malicious payloads such as javascript:alert(document.cookie) or more sophisticated attacks involving session token extraction and transmission to attacker-controlled servers.
The operational impact of this vulnerability extends beyond simple data theft, as it enables attackers to perform unauthorized actions on behalf of victims with higher privileges including Superadmin users who may view the compromised tickets. This creates a significant risk for privilege escalation attacks where an attacker could harvest session cookies, redirect users to malicious sites, or inject commands that manipulate the application's functionality. The vulnerability demonstrates a critical failure in the principle of least privilege and proper access controls as it allows lower-privileged users to compromise higher-privileged accounts through persistent script injection.
The attack vector requires minimal privileges and can be executed within the normal operational workflow of the system, making it particularly stealthy and difficult to detect. According to CWE classification, this represents a stored XSS vulnerability categorized under CWE-79 which deals with improper neutralization of input during web page generation in web applications. The technique aligns with ATT&CK framework tactic TA0001 (Initial Access) through the use of compromised credentials and technique T1566 (Phishing) where attackers may leverage this vulnerability to establish persistent access.
Mitigation strategies should include implementing comprehensive input validation and output encoding for all user-supplied content, particularly in fields that support rich text or HTML content. The system must employ proper context-aware escaping mechanisms when rendering user-generated content in web pages to prevent script execution. Additionally, privilege separation should be enforced where Agent-level users cannot create payloads that affect Superadmin accounts, and regular security audits should monitor for unusual data modifications in ticketing systems. Network-based intrusion detection systems should also be configured to monitor for known malicious payload patterns in HTTP traffic related to ticket management functions.
The vulnerability highlights the importance of defense-in-depth strategies and proper web application security controls including Content Security Policy implementation, regular security testing, and comprehensive user training on recognizing potential social engineering attacks that could lead to privilege escalation through this type of flaw. Organizations should implement automated scanning tools to detect similar vulnerabilities across their entire application portfolio and establish incident response procedures for dealing with persistent XSS threats in ticketing systems.