Cyber Posture

CVE-2025-53435

High

Published: 18 December 2025

Published
18 December 2025
Modified
20 January 2026
KEV Added
—
Patch
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CVSS Score 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0022 44.7th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Description

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in axiomthemes Plan My Day planmyday allows PHP Local File Inclusion.This issue affects Plan My Day: from n/a through <= 1.1.13.

Mitigating Controls (NIST 800-53 r5)AI

SI-2 Flaw Remediation good match
prevent

Directly requires timely identification, reporting, and correction of the PHP Local File Inclusion flaw in the Plan My Day WordPress theme.

SI-10 Information Input Validation good match
prevent

Mandates information input validation at system entry points to sanitize filenames and prevent their improper use in PHP include/require statements leading to LFI.

CM-6 Configuration Settings partial match
prevent

Establishes secure configuration settings for PHP environments, such as open_basedir restrictions or disabling remote file functions, to limit LFI exploitation potential.

Security SummaryAI

CVE-2025-53435 is an Improper Control of Filename for Include/Require Statement in PHP Program vulnerability, known as PHP Remote File Inclusion, that allows PHP Local File Inclusion in the axiomthemes Plan My Day (planmyday) WordPress theme. This issue affects Plan My Day versions from n/a through 1.1.13 and is associated with CWE-98. The vulnerability 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 significant impacts on confidentiality, integrity, and availability.

Unauthenticated attackers can exploit this vulnerability remotely over the network, though it requires high attack complexity and no user interaction. Successful exploitation enables local file inclusion, potentially allowing attackers to access or manipulate sensitive files on the server, leading to high-level compromise of confidentiality, integrity, and availability as per the CVSS metrics.

The Patchstack advisory at https://patchstack.com/database/Wordpress/Theme/planmyday/vulnerability/wordpress-plan-my-day-theme-1-1-13-local-file-inclusion-vulnerability?_s_id=cve provides detailed information on this WordPress theme vulnerability, including assessment for affected installations.

Details

CWE(s)
CWE-98

Affected Products

axiomthemes
plan my day
≤ 1.1.13

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1005 Data from Local System Collection
Adversaries may search local system sources, such as file systems, configuration files, local databases, virtual machine files, or process memory, to find files of interest and sensitive data prior to Exfiltration.
attack.mitre.org →
Why these techniques?

T1190 directly enabled by exploiting public-facing WordPress theme vulnerability; T1005 facilitated by LFI allowing access to sensitive local files.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

References