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CVE-2026-28064: High Vulnerability in ThemeREX Edge Decor

A high-severity vulnerability has been identified in ThemeREX Edge Decor, allowing for PHP Local File Inclusion. Organizations should prioritize patching immediately to mitigate potential risks.

HIGHCVSS 8.1 · Published March 5, 2026

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CVE-2026-28064 is classified as a high-severity vulnerability affecting ThemeREX Edge Decor. This vulnerability allows improper control of filename for include/require statements in PHP programs, resulting in PHP local file inclusion. The CVSS score for this vulnerability is 8.1, indicating a significant risk to organizations that utilize this theme.

Organizations utilizing Edge Decor versions up to and including 2.2 are particularly vulnerable. The risk to organizations includes unauthorized access to sensitive information and potential disruption of services. Due to its high severity, organizations should prioritize patching immediately to prevent exploitation.

Currently, there are no known exploits associated with this vulnerability, and it is not listed in the Known Exploited Vulnerabilities (KEV) database. However, the potential for exploitation exists, making it essential for organizations to remain vigilant.

With a publication date of March 5, 2026, and a last modified date of April 22, 2026, this vulnerability has been categorized as deferred, indicating that while it is recognized, immediate remediation steps may not be in place yet.

Organizations are urged to monitor their systems and prepare to implement remediation as soon as updates are available.

Vulnerability Details

The official description of CVE-2026-28064 states that it is a vulnerability in ThemeREX Edge Decor allowing PHP Local File Inclusion due to improper control of filename for include/require statements in PHP programs. The vulnerability affects Edge Decor versions from n/a through <= 2.2. The identified weakness corresponds to CWE-98, which indicates improper control of filename for include/require statements.

The CVSS score of 8.1 categorizes this vulnerability as high severity, with an attack vector of network and high attack complexity. No privileges are required, and user interaction is not necessary for exploitation.

Technical Analysis

The root cause of this vulnerability lies in the PHP programming practices within the ThemeREX Edge Decor. It allows for the inclusion of local files without proper validation of the filenames, making it susceptible to local file inclusion attacks. The attack vector is network-based, and the complexity is deemed high due to the need for specific conditions to be met for successful exploitation.

The vulnerability does not require elevated privileges for exploitation, and there is no need for user interaction. The potential impact could compromise the confidentiality, integrity, and availability of the affected systems, classified as high in all three areas.

Risk & Impact Analysis

The real-world risk associated with CVE-2026-28064 is significant, particularly for organizations that rely on the ThemeREX Edge Decor. The potential for unauthorized access to sensitive data could lead to data breaches and significant operational disruptions, affecting overall business continuity. Organizations must recognize the urgency to address this vulnerability based on its high CVSS score and the potential blast radius for exploitation.

Given the low EPSS score of 0.00165, which places it in the 0.371 percentile, the immediate threat level is currently low. However, this does not diminish the importance of timely remediation, as the landscape of vulnerabilities continues to evolve rapidly.

Exploitation Status

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

All versions of the ThemeREX Edge Decor theme prior to version 2.2 are affected by this vulnerability. Organizations should verify their current version and take appropriate action to mitigate the risk.

Mitigation & Remediation

Organizations must apply the latest patches available for ThemeREX Edge Decor to remediate this vulnerability. If a patch is unavailable, consider implementing workarounds such as restricting access to the affected functionality or utilizing additional security controls to prevent unauthorized file inclusion.

For further guidance on mitigating vulnerabilities, organizations can refer to our comprehensive guide on penetration testing and how to effectively secure their applications.

Detection Guidance

To detect potential exploitation attempts, organizations should monitor logs for unusual file access patterns and any unauthorized changes to sensitive files. Behavioral anomalies related to file inclusion functionality should be investigated promptly.

AppSecure Threat Intelligence Insight

The long-term significance of CVE-2026-28064 lies in its representation of common weaknesses in web application development practices. This vulnerability highlights the necessity for developers to prioritize secure coding practices and conduct regular security assessments.

Security teams should learn from this incident and implement robust vulnerability management programs to identify and address similar weaknesses proactively.

For more insights into threat intelligence and vulnerability management, organizations can explore our articles on vulnerability management and penetration testing methodology for enhancing security postures.

Additionally, organizations should consider adopting continuous security testing practices to ensure ongoing protection against evolving threats.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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