CVE-2026-28048: High Vulnerability in magentech FlashMart

CVE-2026-28048 represents a high-severity vulnerability affecting the magentech FlashMart theme, specifically versions up to 2.0.15. This vulnerability allows improper control of filenames for include/require statements in PHP, leading to potential PHP local file inclusion. The attack vector is identified as network-based, with a high complexity rating, indicating that exploitation may require some advanced knowledge of the system.

The CVSS score assigned to this vulnerability is 8.1, categorized as high severity. Organizations utilizing affected versions of the FlashMart theme should understand the real-world implications of this vulnerability, which include unauthorized access to sensitive files and potential data breaches. The urgency for defenders is high, as exploitation could lead to serious consequences.

Currently, there are no public exploits confirmed for this vulnerability, and it has not been listed in the Known Exploited Vulnerabilities (KEV) catalog. However, organizations should remain vigilant, as the potential for exploitation exists. Organizations should prioritize patching immediately to mitigate any risks associated with this vulnerability.

As part of a comprehensive security strategy, organizations should also consider conducting regular security assessments and penetration testing to identify and address vulnerabilities in their systems proactively.

Vulnerability Details

The official description for CVE-2026-28048 indicates that it is a vulnerability concerning improper control of filename for include/require statements in PHP applications. This issue specifically impacts the magentech FlashMart theme, allowing PHP local file inclusion. The vulnerability is classified under CWE-98.

The vulnerability was assigned a CVSS score of 8.1, indicating high severity. The details of the CVSS vector string include an attack vector of 'NETWORK', high attack complexity, and no privileges required for exploitation. The potential impact on confidentiality, integrity, and availability is marked as high, which emphasizes the severity of this vulnerability.

Technical Analysis

The root cause of CVE-2026-28048 is linked to improper handling of file names in PHP scripts, which can lead to local file inclusion vulnerabilities. This vulnerability allows attackers to include arbitrary files, potentially leading to the exposure of sensitive information or the execution of malicious code.

The attack vector for this vulnerability is network-based, meaning that an attacker can exploit it remotely over the internet. The attack complexity is rated as high, indicating that successful exploitation may require significant technical expertise. Additionally, no user interaction is required for exploitation, making it a critical threat.

The privilege requirement is none, allowing unauthenticated users to exploit this vulnerability. The impacts on confidentiality, integrity, and availability are all assessed as high, reinforcing the need for immediate remediation.

Risk & Impact Analysis

Organizations using the magentech FlashMart theme should recognize the significant risks associated with CVE-2026-28048. The vulnerability allows unauthorized access to sensitive files, elevating the risk of data breaches and unauthorized code execution.

The blast radius for this vulnerability can be extensive, particularly for organizations that handle sensitive data or rely on the integrity of their web applications. Given the high CVSS score and the potential for exploitation, organizations should prioritize addressing this vulnerability in their patch management cycles.

As the vulnerability has been marked as deferred, it is essential for organizations to stay informed about any updates regarding patches or remediation recommendations. Organizations should schedule remediation as a priority in their security strategies.

Exploitation Status

Affected Versions

This vulnerability affects the FlashMart theme in versions from n/a through 2.0.15. Organizations should evaluate their systems to identify any installations of the affected theme.

Mitigation & Remediation

Organizations should prioritize patching the FlashMart theme to version 2.0.16 or later to address this vulnerability. If an immediate patch is not available, organizations should consider implementing additional security controls such as restricting file access and conducting thorough code reviews.

Regular penetration testing can also help identify vulnerabilities in the system and validate the effectiveness of any remediation efforts. For more information, organizations can refer to guidance on penetration testing strategies.

Detection Guidance

Organizations should monitor logs for any unusual file access patterns and review system changes that could indicate exploitation attempts. Behavioral anomalies such as unexpected file inclusion should be investigated promptly.

AppSecure Threat Intelligence Insight

The long-term significance of CVE-2026-28048 highlights the importance of secure coding practices in PHP applications. The patterns observed in this vulnerability reinforce the need for developers to implement proper validation of file inputs to mitigate risks.

As organizations adapt to evolving threats, the lessons from vulnerabilities like this should inform development and security strategies, ensuring that robust security measures are integrated into the software development lifecycle.

For additional resources on application security, organizations can explore AppSecure services such as application security assessments and red teaming services.

Known Exploitation Timeline

As of now, CVE-2026-28048 has not been included in the KEV catalog, indicating that there are currently no known active exploitation campaigns targeting this vulnerability.

EPSS Risk Context

The EPSS score for CVE-2026-28048 is 0.00165, placing it in the 37th percentile for risk. This indicates a low probability of exploitation, but organizations should remain cautious and proactive in mitigating potential risks.