CVE-2026-27993
Published: 05 March 2026
Summary
CVE-2026-27993 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-2026-27993 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 in the ThemeREX Aldo WordPress theme. This flaw affects Aldo versions from n/a through 1.0.10 and is associated with CWE-98. Published on 2026-03-05, it 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 high severity due to its potential for significant impact.
Unauthenticated remote attackers can exploit this vulnerability over the network without requiring user interaction, though exploitation involves high attack complexity. Successful attacks allow adversaries to achieve high levels of confidentiality, integrity, and availability impact, potentially enabling local file inclusion that could lead to unauthorized access or execution of local files on the affected system.
The primary advisory is available from Patchstack at https://patchstack.com/database/Wordpress/Theme/aldo/vulnerability/wordpress-aldo-theme-1-0-10-local-file-inclusion-vulnerability?_s_id=cve, which documents the Local File Inclusion vulnerability in the WordPress Aldo theme version 1.0.10. Security practitioners should consult this reference for detailed patch information and mitigation guidance.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-9663
Vulnerability details
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in ThemeREX Aldo aldo allows PHP Local File Inclusion.This issue affects Aldo: from n/a through <= 1.0.10.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
LFI vulnerability in public-facing WordPress theme enables remote unauthenticated exploitation of a public-facing web application.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly remediates the specific PHP Local File Inclusion flaw in vulnerable Aldo WordPress theme versions through timely patching and correction.
Requires validation of filenames used in PHP include/require statements to block malicious inputs enabling local file inclusion.
Enforces secure PHP configuration settings, such as open_basedir restrictions, to limit the scope of local file inclusion even if flawed code is exploited.