CVE-2025-58899 in Frame Plugin
Summary
by MITRE • 12/18/2025
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in AncoraThemes Frame frame allows PHP Local File Inclusion.This issue affects Frame: from n/a through <= 2.4.0.
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Analysis
by VulDB Data Team • 12/18/2025
The vulnerability identified as CVE-2025-58899 represents a critical PHP Remote File Inclusion flaw within the AncoraThemes Frame framework version 2.4.0 and earlier. This vulnerability stems from improper control of filename parameters in include or require statements, creating a pathway for malicious actors to execute arbitrary code through file inclusion mechanisms. The flaw specifically affects the Frame component of the AncoraThemes ecosystem, which is widely used in WordPress environments for theme development and customization.
The technical implementation of this vulnerability occurs when the application fails to properly validate or sanitize user-supplied input that is subsequently used in PHP include or require statements. When an attacker can manipulate the filename parameter passed to these functions, they can potentially load and execute arbitrary PHP files from remote servers or local filesystem locations. This misconfiguration allows for Local File Inclusion attacks where attackers can access sensitive files, execute malicious code, or establish persistent access to the compromised system. The vulnerability operates at the core of PHP's file inclusion mechanisms and directly violates secure coding practices for input validation and parameter handling.
The operational impact of this vulnerability extends beyond simple code execution, as it can enable attackers to escalate privileges, access database credentials, steal user sessions, or deploy backdoors within the affected environment. Given that this affects the Frame framework used in WordPress themes, the attack surface includes numerous websites that rely on these themes for their presentation layer. The vulnerability can be exploited through various vectors including direct parameter manipulation in URL parameters, form submissions, or API endpoints that accept filename inputs. This creates a significant risk for organizations where WordPress installations are prevalent and where theme customization through the Frame framework is utilized.
Security practitioners should immediately address this vulnerability by implementing proper input validation and sanitization measures for all user-supplied parameters used in file inclusion operations. The recommended mitigation strategies include disabling remote file inclusion features, implementing strict whitelisting of allowed file paths, and using absolute file paths instead of relative ones in include statements. Organizations should also consider implementing web application firewalls to detect and block suspicious inclusion patterns, while conducting comprehensive security audits of all PHP applications that utilize include or require functions. This vulnerability aligns with CWE-98 and CWE-22 categories, representing improper input validation and path traversal issues that are commonly exploited in web application attacks. The attack patterns associated with this vulnerability map directly to MITRE ATT&CK techniques including TA0001 Initial Access through web shell deployment and TA0004 Privilege Escalation through code execution, making it a critical target for immediate remediation efforts.