CVE-2025-53434
Published: 18 December 2025
Summary
CVE-2025-53434 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 32.9th 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 RA-5 (Vulnerability Monitoring and Scanning) and SI-10 (Information Input Validation).
Deeper analysis
CVE-2025-53434 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, described as PHP Remote File Inclusion but enabling PHP Local File Inclusion, affecting the ChildHope WordPress theme developed by AncoraThemes. The issue impacts ChildHope versions from n/a through 1.1.8 and is associated with CWE-98. 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).
Remote unauthenticated attackers (PR:N) can exploit this vulnerability over the network (AV:N) without requiring user interaction (UI:N), though it demands high attack complexity (AC:H). Successful exploitation allows high-impact compromise of confidentiality, integrity, and availability (C:H/I:H/A:H), potentially enabling attackers to include and execute local PHP files on the server.
The Patchstack advisory (https://patchstack.com/database/Wordpress/Theme/childhope/vulnerability/wordpress-childhope-theme-1-1-8-local-file-inclusion-vulnerability?_s_id=cve) documents the local file inclusion vulnerability in the ChildHope WordPress theme up to version 1.1.8.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-204216
Vulnerability details
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in AncoraThemes ChildHope childhope allows PHP Local File Inclusion.This issue affects ChildHope: from n/a through <= 1.1.8.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
CVE-2025-53434 is a Local File Inclusion vulnerability in a WordPress theme, enabling unauthenticated remote exploitation of a public-facing web application.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Directly mitigates this CVE by requiring timely flaw remediation through patching the vulnerable ChildHope WordPress theme versions up to 1.1.8.
Prevents exploitation of the improper filename control in PHP include/require by validating user-supplied inputs for file paths before processing.
Identifies the LFI vulnerability in ChildHope via vulnerability scanning and triggers remediation to address the specific CVE.