CVE-2025-58896
Published: 18 December 2025
Summary
CVE-2025-58896 is a high-severity PHP Remote File Inclusion (CWE-98) vulnerability in Ancorathemes Otaku. 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 35.2th 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-2025-58896 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 AncoraThemes Otaku WordPress theme. This flaw impacts all versions of Otaku from n/a through 1.8.0. Published on 2025-12-18, 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) and maps to CWE-98.
The vulnerability can be exploited by unauthenticated attackers over the network, requiring no user interaction but high attack complexity. Successful exploitation grants high-impact access to confidentiality, integrity, and availability, allowing attackers to perform local file inclusion, potentially resulting in arbitrary file reads, sensitive data exposure, or remote code execution depending on server configuration.
Mitigation details are available in the Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/otaku/vulnerability/wordpress-otaku-theme-1-8-0-local-file-inclusion-vulnerability?_s_id=cve, which covers the Local File Inclusion vulnerability in the Otaku WordPress theme version 1.8.0.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-204176
Vulnerability details
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in AncoraThemes Otaku otaku allows PHP Local File Inclusion.This issue affects Otaku: from n/a through <= 1.8.0.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Public-facing WordPress theme vulnerability enables unauthenticated remote exploitation (T1190) via improper filename control in PHP include/require, facilitating local file inclusion for arbitrary file reads from the local system (T1005) and file/directory discovery (T1083).
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly mitigates the improper filename control in PHP include/require by validating user-supplied inputs to prevent local file inclusion attacks.
Ensures timely identification, reporting, and patching of the specific LFI vulnerability in the Otaku WordPress theme versions through 1.8.0.
Enforces secure PHP and web server configuration settings, such as open_basedir restrictions, to limit the scope of potential file inclusions.