CVE-2026-28123 is a high-severity vulnerability affecting the AncoraThemes Veil theme, specifically allowing for PHP Local File Inclusion. This vulnerability allows attackers to manipulate the filename for include or require statements, which can lead to unauthorized access to sensitive files on the server. Given the potential impact on confidentiality, integrity, and availability, organizations utilizing this theme should consider the risks associated with its exploitation.
The CVSS score for this vulnerability is 8.1, classified as high severity. This score reflects the significant risk posed by the vulnerability, particularly as it can be exploited over the network with high attack complexity and no privileges required. The urgency for organizations to address this vulnerability is heightened, as it could lead to severe consequences if left unremediated.
As of now, there is no confirmation of a public exploit available for this vulnerability, but its classification as high severity necessitates immediate attention. Organizations should prioritize patching immediately to mitigate any potential risks associated with this vulnerability.
The vulnerability was published on March 5, 2026, and it affects versions of the Veil theme up to and including 1.9. Given its status as deferred, organizations must remain vigilant and proactive in their security measures.
Vulnerability Details
The official description of CVE-2026-28123 states that it is an 'Improper Control of Filename for Include/Require Statement in PHP Program' vulnerability. This vulnerability allows PHP Local File Inclusion in AncoraThemes Veil, affecting versions from n/a through <= 1.9. This issue is classified under CWE-98.
The CVSS 3.1 vector string for this vulnerability is 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H', resulting in a base score of 8.1, indicating a high severity level.
Technical Analysis
The root cause of this vulnerability lies in the improper handling of filenames in include or require statements within PHP scripts. Attackers may exploit this flaw by crafting requests that specify malicious file paths, potentially leading to the execution of arbitrary code or disclosure of sensitive information.
The attack vector is categorized as network-based, and the complexity is classified as high, suggesting that successful exploitation may require specific conditions to be met. Importantly, no privileges are required to exploit this vulnerability, and user interaction is not necessary.
In terms of impact, the vulnerability poses high risks across confidentiality, integrity, and availability. The potential for unauthorized access to sensitive files may compromise the overall security posture of affected systems.
Risk & Impact Analysis
Organizations utilizing the affected version of the AncoraThemes Veil theme face significant risks due to this vulnerability. The potential for exploitation is high, and attackers may leverage this vulnerability to gain unauthorized access to sensitive information stored on the server.
The urgency for remediation is critical, particularly for organizations that rely on this theme for their web applications. Given the high CVSS score and the implications of exploitation, organizations should address this vulnerability in their priority patch cycle.
The blast radius potential is substantial, as successful exploitation could lead to widespread impacts across affected systems. Organizations are advised to implement necessary safeguards and monitor their environments closely.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The vulnerability affects all versions of the AncoraThemes Veil theme prior to version 1.9. Organizations should ensure they are using the latest version to mitigate the risk.
Mitigation & Remediation
To remediate this vulnerability, organizations should upgrade to the latest version of the AncoraThemes Veil theme. If an immediate upgrade is not possible, consider implementing workarounds such as restricting file access or disabling the theme until a patch is applied.
For ongoing security, organizations are encouraged to engage in regular security assessments and utilize penetration testing to identify similar vulnerabilities.
Detection Guidance
Organizations should monitor their logs for unusual file access patterns and any unauthorized attempts to include or require files. Behavioral anomalies in application performance may also indicate potential exploitation attempts.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2026-28123 lies in its representation of the ongoing challenges associated with PHP application security. As vulnerabilities like this one emerge, they highlight the importance of secure coding practices and the need for continuous monitoring of web applications.
Security teams should be aware of similar patterns in vulnerabilities and prioritize developing robust defense mechanisms. The lessons learned from this incident can inform future security strategies and implementation of best practices.
For more insights into application security, organizations can refer to our comprehensive guide on application security assessment and consider engaging in penetration testing methodology to enhance their security posture.
Organizations should also consider the benefits of adopting a vulnerability management program to systematically address vulnerabilities as they arise.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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