CVE-2026-28010 is a security vulnerability identified in the ThemeREX Scientia WordPress theme, affecting versions up to 1.2.4. The root cause is improper control over the filename parameter used in PHP include or require statements, which leads to a Local File Inclusion (LFI) vulnerability. LFI vulnerabilities allow attackers to manipulate the file path parameter to include unintended files from the local filesystem. This can result in unauthorized disclosure of sensitive information such as configuration files, source code, or credentials. In some cases, LFI can be escalated to Remote Code Execution (RCE) if the attacker can include files containing malicious code or leverage log poisoning techniques. Although no public exploits are currently known, the vulnerability is critical because it directly impacts the integrity and confidentiality of the affected systems. The vulnerability arises from insufficient input validation or sanitization of user-supplied input controlling the include/require filename. The affected product, ThemeREX Scientia, is a WordPress theme used by websites that rely on PHP for dynamic content generation. Since WordPress powers a significant portion of the web, this vulnerability could affect many sites if the theme is in use. The lack of a CVSS score means severity must be assessed based on technical impact and exploitability. Given the nature of LFI vulnerabilities, exploitation can be straightforward if the attacker has access to the vulnerable parameter, and no authentication or user interaction is necessarily required. The vulnerability was published on March 5, 2026, with no patch links currently available, indicating that users must monitor for updates or implement workarounds.

The impact of CVE-2026-28010 on organizations worldwide can be severe. Successful exploitation allows attackers to read arbitrary files on the web server, potentially exposing sensitive data such as database credentials, configuration files, or user information. This compromises confidentiality and can lead to further attacks such as privilege escalation or remote code execution. For websites using the ThemeREX Scientia theme, this could result in website defacement, data breaches, or full server compromise. The availability of the affected systems could also be impacted if attackers execute malicious code or disrupt normal operations. Organizations relying on this theme for business-critical websites or services face reputational damage, regulatory penalties, and operational disruptions. Since WordPress is widely used globally, the scope of affected systems is broad, increasing the risk of widespread exploitation. The absence of known exploits in the wild currently reduces immediate risk but does not eliminate the threat, especially as attackers may develop exploits rapidly once the vulnerability is public. The vulnerability's ease of exploitation and potential for severe consequences make it a high-risk issue for affected organizations.

To mitigate CVE-2026-28010, organizations should take the following specific actions: 1) Immediately identify and inventory all WordPress installations using the ThemeREX Scientia theme, particularly versions up to 1.2.4. 2) Monitor official ThemeREX channels and security advisories for patches or updates addressing this vulnerability and apply them promptly once available. 3) If patches are not yet available, implement temporary mitigations such as disabling or restricting access to the vulnerable include/require functionality via web application firewall (WAF) rules or PHP configuration to prevent manipulation of file inclusion parameters. 4) Harden PHP configurations by disabling dangerous functions like allow_url_include and restricting file system permissions to limit the impact of potential LFI exploitation. 5) Employ input validation and sanitization at the application level to prevent malicious input from reaching include/require statements. 6) Conduct thorough security audits and penetration testing on affected websites to detect exploitation attempts. 7) Maintain regular backups and incident response plans to quickly recover from potential compromises. 8) Educate developers and administrators about secure coding practices related to file inclusion and parameter handling. These measures collectively reduce the risk and impact of exploitation until a permanent patch is applied.