CVE-2026-27077
Published: 25 March 2026
Summary
CVE-2026-27077 is a high-severity PHP Remote File Inclusion (CWE-98) vulnerability. Its CVSS base score is 8.1 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 32.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).
Deeper analysis
CVE-2026-27077 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, classified as a PHP Remote File Inclusion issue that enables PHP Local File Inclusion, affecting the Mikado-Themes MultiOffice WordPress theme in versions from n/a through 1.2.
The vulnerability carries a CVSS v3.1 base score of 8.1 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating exploitation is possible by an unauthenticated remote attacker over the network. It requires high attack complexity but no user interaction, allowing the attacker to achieve high impacts on confidentiality, integrity, and availability, such as unauthorized access to local files or potential code execution depending on server configuration.
Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/multioffice/vulnerability/wordpress-multioffice-theme-1-2-local-file-inclusion-vulnerability?_s_id=cve, which documents the local file inclusion vulnerability in MultiOffice theme version 1.2.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-15781
Vulnerability details
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in Mikado-Themes MultiOffice multioffice allows PHP Local File Inclusion.This issue affects MultiOffice: from n/a through <= 1.2.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
CVE-2026-27077 is a public-facing PHP LFI vulnerability in a WordPress theme (T1190: Exploit Public-Facing Application), directly enabling unauthorized access to and potential execution of local files (T1005: Data from Local System).
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Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly mitigates the CVE by requiring organizations to monitor for vulnerabilities like improper filename control in PHP include/require and apply patches or compensatory mitigations promptly.
Requires validation of filenames provided to PHP include/require statements, preventing local file inclusion by ensuring only authorized and safe files are processed.
Enables vulnerability scanning to identify the PHP Local File Inclusion flaw in the MultiOffice WordPress theme, facilitating timely detection and prioritization for remediation.