CVE-2025-49894
Published: 20 August 2025
Summary
CVE-2025-49894 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 36.4th 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-2025-49894 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, classified as PHP Remote File Inclusion but enabling PHP Local File Inclusion, affecting the Nuss WordPress theme. This issue impacts Nuss versions from n/a through 1.3.3 and is associated with CWE-98. The vulnerability carries a CVSS v3.1 base score of 8.1 (High), with vector AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating network accessibility, high attack complexity, no privileges or user interaction required, and high impacts on confidentiality, integrity, and availability.
An unauthenticated attacker with network access can exploit this vulnerability despite the high complexity requirement. Successful exploitation allows local file inclusion, potentially leading to high-level impacts such as unauthorized access to sensitive data, modification of files, or disruption of system availability through included PHP files.
The Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/nuss/vulnerability/wordpress-nuss-theme-1-3-3-local-file-inclusion-vulnerability?_s_id=cve provides details on this WordPress Nuss theme vulnerability, including recommended mitigations such as updating to a patched version beyond 1.3.3.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-28330
Vulnerability details
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in uxper Nuss nuss allows PHP Local File Inclusion.This issue affects Nuss: from n/a through <= 1.3.3.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
LFI in public-facing WordPress theme directly enables exploitation of a web application for initial access and potential code execution via included PHP files.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Requires validation of filename inputs to PHP include/require statements, directly preventing local file inclusion by ensuring only authorized files are processed.
Mandates timely remediation of the specific flaw in Nuss theme versions through 1.3.3 by applying patches or updates.
Enforces secure PHP and WordPress configuration settings, such as open_basedir restrictions, to limit the scope of potential local file inclusions.