CVE-2026-22402
Published: 22 January 2026
Summary
CVE-2026-22402 is a high-severity PHP Remote File Inclusion (CWE-98) vulnerability. Its CVSS base score is 7.5 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 44.8th 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-2026-22402 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 Triply WordPress theme by pavothemes. This issue impacts Triply versions from n/a through 2.4.7. Published on 2026-01-22T17:16:33.433, it carries a CVSS v3.1 base score of 7.5 (AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H) and maps to CWE-98.
Exploitation requires network access, high attack complexity, low privileges, and no user interaction. An attacker with low-privilege access, such as an authenticated WordPress user, can leverage the local file inclusion flaw to achieve high impacts on confidentiality, integrity, and availability, potentially reading sensitive local files or disrupting the system.
The Patchstack advisory provides details on this WordPress Triply theme 2.4.7 local file inclusion vulnerability, including mitigation guidance.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-3865
Vulnerability details
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in pavothemes Triply triply allows PHP Local File Inclusion.This issue affects Triply: from n/a through <= 2.4.7.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
LFI vulnerability in public-facing WordPress theme directly enables exploitation of a web application for initial access and arbitrary file reads/execution.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly mitigates the improper control of filenames in PHP include/require statements by requiring validation of user-supplied inputs to prevent local file inclusion.
Mandates timely identification, reporting, and remediation of flaws such as this PHP LFI vulnerability in the Triply WordPress theme via patching.
Enforces secure configuration settings for PHP environments, such as open_basedir restrictions, to limit the impact of improper filename controls in file inclusion.