CVE-2025-2513 in Smart Icons for Plugin
Summary
by MITRE • 04/02/2025
The Smart Icons For WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG File uploads in all versions up to, and including, 1.0.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Editor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the SVG file.
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Analysis
by VulDB Data Team • 04/02/2025
The Smart Icons For WordPress plugin presents a critical stored cross-site scripting vulnerability that affects all versions up to and including 1.0.4. This vulnerability stems from inadequate input sanitization and output escaping mechanisms within the plugin's SVG file upload functionality. The flaw specifically targets authenticated attackers who possess Editor-level permissions or higher, making it particularly concerning for WordPress environments where multiple user roles exist. The vulnerability allows these attackers to upload malicious SVG files containing embedded scripts that will execute whenever any user accesses the compromised SVG file.
The technical implementation of this vulnerability occurs through the plugin's handling of SVG file uploads where insufficient validation occurs on the uploaded content. SVG files, while commonly used for scalable graphics, can contain executable script elements that are processed by web browsers when rendered. The plugin fails to properly sanitize these files or escape output when displaying SVG content, creating an environment where malicious scripts can persist and execute in the context of the victim's browser. This stored nature means that the injected scripts remain active even after the initial upload, affecting all users who view the compromised files.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with the ability to perform various malicious activities within the context of the targeted WordPress installation. Attackers can leverage this vulnerability to steal session cookies, redirect users to malicious sites, perform unauthorized actions on behalf of users, or even escalate privileges within the WordPress environment. The vulnerability's exploitation requires only Editor-level access, which is often granted to content creators and administrators who may not be fully aware of the security implications. This makes the attack surface significantly larger than vulnerabilities requiring higher privilege levels.
The vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws, and maps to attack techniques within the ATT&CK framework under T1566 for Phishing and T1059 for Command and Scripting Interpreter. Organizations should immediately implement mitigations including restricting file upload capabilities, implementing strict input validation for all uploaded content, and ensuring proper output escaping for SVG files. The recommended approach involves upgrading to the latest plugin version where these vulnerabilities have been patched, implementing additional security measures such as content security policies, and conducting thorough security audits of all plugin installations to identify similar vulnerabilities. Regular monitoring of plugin updates and maintaining an updated inventory of installed plugins remains essential for preventing such vulnerabilities from being exploited in production environments.