CVE-2026-95610 in Core Plugin
Summary
by MITRE • 10/09/2026
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in UpSolution UpSolution Core us-core allows Blind SQL Injection.This issue affects UpSolution Core: from n/a through 9.3.
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Analysis
by VulDB Data Team • 10/09/2026
The identified security flaw represents a classic instance of Improper Neutralization of Special Elements used in an SQL Command, commonly categorized under the CWE-89 vulnerability class. This specific weakness manifests as a Blind SQL Injection within the UpSolution Core software, specifically affecting versions ranging from n/a through 9.3. In this type of attack vector, the application fails to properly sanitize or validate user-supplied input before incorporating it into dynamic database queries. Unlike standard SQL injection where error messages might reveal data directly, blind SQL injection relies on observing differences in application behavior or response times to infer information about the underlying database structure and contents. This makes detection by automated scanners more difficult but does not diminish the severity of the potential impact.
The technical root cause lies in the insufficient handling of special characters such as single quotes, double quotes, semicolons, and SQL keywords within input fields processed by UpSolution Core. When a user provides maliciously crafted input containing these elements, the application constructs an SQL query that includes this unescaped data directly into its execution context. Because the software does not employ parameterized queries or prepared statements effectively for all affected endpoints, the database engine interprets the injected strings as part of the command logic rather than literal data values. This allows an attacker to manipulate the intended query structure, potentially altering logical conditions in WHERE clauses or appending additional commands to the original statement.
The operational impact of this vulnerability is significant due to its potential for unauthorized access and data exfiltration. An authenticated or unauthenticated attacker, depending on which specific endpoints are vulnerable within UpSolution Core, can exploit this flaw to extract sensitive information from the database backend. This may include user credentials, personal identifiable information, financial records, or proprietary business logic stored in the application's tables. Furthermore, because it is a blind injection, an attacker could potentially use time-based techniques to infer data character by character, leading to complete compromise of the underlying data store without triggering obvious error messages that might alert administrators immediately.
From a threat intelligence perspective, this vulnerability aligns with MITRE ATT&CK technique T1059.004, which covers SQL Injection as part of Command and Scripting Interpreter abuse. The exploitation path typically involves reconnaissance to identify vulnerable input fields followed by precise payload delivery to extract data or escalate privileges within the database environment. If the underlying database service runs with elevated system permissions, such as sa on Microsoft SQL Server or root on some Linux-based configurations, the attacker could potentially execute operating system commands via stored procedures like xp_cmdshell, thereby achieving full remote code execution and complete control over the server infrastructure hosting UpSolution Core.
Mitigation strategies must prioritize immediate remediation through software updates. Administrators should upgrade UpSolution Core to version 9.4 or later where this issue has been addressed by implementing robust input validation and output encoding mechanisms. For organizations unable to patch immediately, defense-in-depth measures are critical. This includes deploying a Web Application Firewall configured with rulesets specifically tuned to detect SQL injection patterns in HTTP requests. Additionally, enforcing strict least-privilege principles for the database account used by UpSolution Core can limit the damage if an injection is successful. Regular security audits and code reviews focusing on dynamic query construction practices are also recommended to prevent similar vulnerabilities from being introduced during future development cycles.