CVE-2026-65878 in SP Page Builder Extension
Summary
by MITRE • 07/27/2026
Joomla Extension - joomshaper.com - Authenticated arbitrary file delete in SP Page Builder < 6.7.1- Improper path validation and ACL checks lead to a file deletion vector in the media manager.
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Analysis
by VulDB Data Team • 07/27/2026
The vulnerability exists within the Joomla extension SP Page Builder developed by joomshaper.com, specifically affecting versions prior to 6.7.1. This authenticated arbitrary file deletion flaw stems from inadequate input validation and insufficient access control mechanisms within the media manager component. The vulnerability allows authenticated users with appropriate privileges to delete arbitrary files on the server, potentially leading to severe system compromise and data loss.
The technical implementation of this vulnerability demonstrates a classic improper path validation issue that aligns with CWE-22 - Improper Limitation of a Pathname to a Restricted Directory. The SP Page Builder component fails to properly sanitize user-supplied file paths during media management operations, enabling attackers to manipulate directory traversal sequences and bypass intended access restrictions. This weakness occurs within the media manager's file deletion functionality where user input directly influences the target file path without adequate validation or normalization.
From an operational perspective, this vulnerability creates a significant risk for Joomla installations using the affected SP Page Builder extension. An authenticated attacker with permissions to access the media manager can leverage this flaw to delete critical system files, including configuration files, database connection details, or even core application files that could lead to complete system compromise. The impact extends beyond simple file deletion as attackers can potentially disrupt service availability, escalate privileges, or create backdoor access points within the compromised environment.
The attack vector requires an authenticated user session with sufficient permissions to access the SP Page Builder media manager functionality, which typically includes editors or administrators who have been granted appropriate access levels. This authentication requirement reduces the exploitability surface but does not eliminate the risk entirely since many Joomla installations may have weak credential controls or users with elevated privileges that could be compromised through other means.
Security practitioners should implement immediate mitigations including updating to SP Page Builder version 6.7.1 or later, which contains proper path validation and access control fixes. Additionally, administrators should review user permissions and ensure that only trusted personnel have access to media manager functionality. Network segmentation and monitoring controls can help detect unauthorized file deletion attempts, while regular security audits should verify that all Joomla extensions are current with security patches.
This vulnerability relates to ATT&CK technique T1485 - Data Destruction which encompasses methods for destroying data through file deletion or corruption. The flaw also connects to broader attack patterns involving privilege escalation and system compromise through manipulation of web application components. Organizations should consider implementing automated patch management systems to ensure all Joomla extensions receive timely security updates, as this vulnerability demonstrates how third-party components can introduce significant risks to overall system security posture.
The remediation approach should include comprehensive testing of the updated version to ensure that legitimate functionality remains intact while addressing the path traversal vulnerabilities. Security teams must also conduct thorough reviews of other media management components within their Joomla installations to identify similar validation weaknesses that may require attention. Regular vulnerability scanning and penetration testing should be performed to detect any remaining insecure configurations or unpatched components that could expose the system to similar threats.
Organizations relying on Joomla platforms should establish security awareness programs for administrators and content managers to prevent unauthorized access attempts, while implementing robust logging mechanisms to track file operations within media manager components. The vulnerability serves as a reminder of the critical importance of validating all user inputs and enforcing proper access controls, particularly in web applications that handle file system operations.