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CVE-2026-28054: High Vulnerability in ThemeREX Legal Stone

CVE-2026-28054 is a high-severity vulnerability in the ThemeREX Legal Stone WordPress theme, allowing PHP local file inclusion. Organizations should prioritize patching to mitigate risks associated with this vulnerability.

HIGHCVSS 8.1 · Published March 5, 2026

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CVE-2026-28054 is a high-severity vulnerability found in the ThemeREX Legal Stone theme, specifically affecting versions up to 1.2.11. This vulnerability allows improper control of filenames for include or require statements in PHP programs, leading to local file inclusion (LFI) attacks. With a CVSS score of 8.1, this vulnerability presents significant risks to organizations using this theme.

The impact of this vulnerability is considerable, as it can result in unauthorized access to sensitive files on the server, potentially leading to further exploitation. Given the ease of exploitation and the high impact, organizations utilizing ThemeREX Legal Stone should view this issue with urgency.

Currently, the vulnerability status is marked as 'Deferred', and there are no known public exploits or proof-of-concept code available. However, organizations should not underestimate the risk associated with such vulnerabilities, as they can be exploited if left unaddressed.

Organizations should prioritize patching immediately to mitigate the risks associated with this vulnerability and ensure the security of their applications.

Vulnerability Details

This vulnerability allows improper control of filenames in PHP include or require statements, leading to local file inclusion vulnerabilities. The affected product is ThemeREX Legal Stone, with versions up to 1.2.11 being susceptible.

The CVSS score of 8.1 categorizes this vulnerability as high severity, indicating a serious risk to organizations. The vulnerability was published on March 5, 2026, and is classified under CWE-98.

Technical Analysis

The root cause of this vulnerability lies in the improper control of the filename parameter within PHP's include or require statements. This vulnerability allows attackers to manipulate the input to include arbitrary files, leading to local file inclusion.

The attack vector is through the network, requiring no privileges or user interaction. The complexity is rated as high due to the need for knowledge of the application's structure and potential file locations.

Exploiting this vulnerability could lead to high impacts on confidentiality, integrity, and availability, as sensitive files could be accessed or modified.

Risk & Impact Analysis

Risk to organizations includes unauthorized access to sensitive files, potential data breaches, and the possibility of further exploitation if attackers gain access to critical system files. The potential blast radius is significant, especially for organizations that rely on the ThemeREX Legal Stone theme for their operations.

Given the CVSS score of 8.1, organizations should address this vulnerability in their priority patch cycle, as the risk of exploitation is substantial.

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

All versions of the ThemeREX Legal Stone theme prior to version 1.2.11 are affected by this vulnerability. Organizations should ensure they are running the latest version to mitigate risks.

Mitigation & Remediation

To mitigate this vulnerability, organizations should apply the latest patches for the ThemeREX Legal Stone theme. If a patch is unavailable, consider implementing workarounds such as restricting file inclusion options and closely monitoring file permissions.

Additionally, organizations may want to enhance their security posture by engaging in penetration testing to identify similar weaknesses across their applications.

Detection Guidance

Organizations should monitor logs for unusual file access patterns and unauthorized file modifications. Implementing network signatures to detect exploitation attempts can also provide early warning of potential attacks.

AppSecure Threat Intelligence Insight

The long-term significance of CVE-2026-28054 highlights the ongoing risks associated with improper file inclusion vulnerabilities. This vulnerability underscores the need for robust application security measures and regular audits.

Security teams should learn from this vulnerability and ensure proper validation of file inputs to prevent similar issues in the future. Strategic defensive takeaways include prioritizing security in the software development lifecycle.

For more insights on application security, consider reading about penetration testing methodology and the importance of a vulnerability management program in enhancing your organization's security posture.

In conclusion, CVE-2026-28054 serves as a reminder of the critical importance of securing web applications against file inclusion vulnerabilities.

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

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