CVE-2025-48248 in Sitewide Discount for WooCommerce Plugin
Summary
by MITRE • 05/19/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPFactory Sitewide Discount for WooCommerce: Apply Discount to All Products allows Stored XSS. This issue affects Sitewide Discount for WooCommerce: Apply Discount to All Products: from n/a through 2.2.1.
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Analysis
by VulDB Data Team • 05/19/2025
This vulnerability represents a critical cross-site scripting flaw in the WPFactory Sitewide Discount for WooCommerce plugin, specifically within the "Apply Discount to All Products" functionality. The issue stems from inadequate input sanitization during web page generation processes, creating an environment where malicious actors can inject persistent script code into the plugin's administrative interfaces. The vulnerability is classified as stored XSS because the malicious scripts are permanently stored on the server and executed whenever affected pages are loaded by unsuspecting users. This type of vulnerability falls under CWE-79 which defines improper neutralization of input during web page generation as a primary weakness in web application security. The affected version range indicates that all versions through 2.2.1 are vulnerable, suggesting this flaw has persisted for some time without proper remediation.
The technical implementation of this vulnerability occurs when administrators or users with appropriate privileges interact with the plugin's discount configuration interfaces. When input data is not properly sanitized or escaped before being rendered back to web pages, malicious script payloads can be injected and stored within the plugin's database or configuration files. This allows attackers to execute arbitrary JavaScript code in the context of the victim's browser, potentially leading to session hijacking, credential theft, or further exploitation of the compromised WordPress environment. The attack vector is particularly concerning because it targets the administrative interfaces where privileged users perform critical configuration tasks, making the potential impact significantly more severe than typical frontend XSS vulnerabilities.
The operational impact of this vulnerability extends beyond simple script execution, as it creates persistent backdoors within the WordPress installation. Attackers can leverage this flaw to gain unauthorized access to administrative functions, modify discount configurations, or even install additional malicious plugins. The stored nature of the vulnerability means that once exploited, the malicious code will continue to execute for all users who access the affected pages until the vulnerability is patched. This persistence factor aligns with ATT&CK technique T1059.007 for scripting and T1566.001 for credential access through social engineering, as attackers can establish long-term presence within the compromised environment. The vulnerability also represents a significant risk to e-commerce operations, as unauthorized modifications to discount policies could result in financial losses and data breaches.
Mitigation strategies for this vulnerability require immediate patching of the affected plugin to version 2.2.2 or later, which should include proper input sanitization and output encoding mechanisms. Security teams should implement comprehensive input validation that filters out potentially malicious script content before it is stored or rendered. The recommended approach involves applying the principle of least privilege to plugin configurations, ensuring that only authorized administrators have access to discount management interfaces. Additionally, implementing Content Security Policy headers can provide an additional layer of protection against XSS attacks by restricting script execution sources. Regular security audits of WordPress plugins should be conducted to identify similar vulnerabilities, with particular attention to plugins handling user input in administrative contexts. Organizations should also consider implementing web application firewalls that can detect and block known XSS attack patterns, while maintaining detailed logging of administrative activities to monitor for potential exploitation attempts.