CVE-2026-65530 in TemplateSpare Plugin
Summary
by MITRE • 07/23/2026
Subscriber Broken Access Control in TemplateSpare <= 4.2.2 versions.
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Analysis
by VulDB Data Team • 07/23/2026
The vulnerability identified as broken access control in TemplateSpare versions prior to 4.2.2 represents a critical security flaw that allows unauthorized users to bypass intended access restrictions within the application's template management system. This issue falls under the broader category of access control vulnerabilities classified as cwe-285, which specifically addresses improper authorization mechanisms that permit attackers to perform actions they should not be permitted to execute.
The technical implementation of this vulnerability stems from insufficient validation of user permissions when accessing template resources within the TemplateSpare platform. Attackers can exploit this weakness by crafting malicious requests that manipulate session tokens or authentication parameters to gain access to templates that are restricted to specific user roles or subscribers. The flaw exists in how the application validates whether a requesting user possesses the necessary privileges to view, edit, or manage particular templates, allowing unauthorized individuals to traverse the intended access control boundaries.
From an operational impact perspective, this vulnerability enables attackers to potentially access sensitive template content that may contain proprietary design elements, branding guidelines, or confidential information. The consequences extend beyond simple information disclosure as malicious actors could modify templates to inject malicious code, alter visual representations, or manipulate content in ways that compromise the integrity of the affected systems. This weakness particularly affects subscriber-based applications where different user tiers should have distinct access levels and capabilities.
The exploitation of this vulnerability aligns with several tactics outlined in the attack framework including privilege escalation techniques and unauthorized access methods. Adversaries may leverage this flaw as part of a broader attack chain to establish persistent access or to gather intelligence about the target environment. Security practitioners should consider implementing comprehensive monitoring for unusual template access patterns, particularly around user accounts that demonstrate unexpected access to restricted resources.
Mitigation strategies should focus on implementing robust authentication and authorization checks at every point where template resources are accessed. This includes validating user roles, session tokens, and ensuring proper access control enforcement through proper input validation and privilege verification mechanisms. Updates to TemplateSpare version 4.2.3 or later should be prioritized as these releases contain fixes addressing the specific access control bypass issues identified in earlier versions. Organizations should also consider implementing network segmentation controls and monitoring solutions that can detect anomalous template access behaviors indicative of exploitation attempts.