CVE-2026-57417 in Cart Lift Plugin
Summary
by MITRE • 07/13/2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in RexTheme Cart Lift cart-lift allows Stored XSS.This issue affects Cart Lift: from n/a through <= 3.1.57.
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Analysis
by VulDB Data Team • 07/13/2026
This cross-site scripting vulnerability represents a critical web application security flaw that enables attackers to inject malicious scripts into web pages viewed by other users. The vulnerability resides within the RexTheme Cart Lift plugin, specifically in its cart-lift component where user input is improperly sanitized during web page generation processes. This weakness falls under CWE-79 which defines improper neutralization of input during web page generation as a core issue that allows attackers to execute malicious scripts in the context of the victim's browser.
The stored XSS vulnerability occurs when user-supplied data is directly embedded into web pages without proper validation or encoding mechanisms, creating persistent script injection points. Attackers can exploit this by submitting malicious payloads through forms, comments, or other input fields that get stored in the application's database or session storage. When other users view these pages, their browsers execute the injected scripts, potentially leading to session hijacking, credential theft, or redirection to malicious websites.
The vulnerability affects all versions of Cart Lift from the initial release up to and including version 3.1.57, indicating a long-standing issue that has not been properly addressed in the software lifecycle. This exposure period creates significant risk for organizations using affected versions, as attackers can craft persistent malicious payloads that remain active until the vulnerable software is updated or patched. The impact extends beyond simple script execution to include potential data breaches, privilege escalation attacks, and complete compromise of user sessions.
From an operational standpoint, this vulnerability allows adversaries to execute arbitrary code within users' browsers, potentially accessing sensitive information stored in cookies, local storage, or session data. The ATT&CK framework categorizes this as a web application attack vector that can be leveraged for initial access, privilege escalation, and persistence within targeted environments. Organizations using vulnerable versions face potential regulatory compliance violations under standards such as gdpr, hipaa, and pci dss due to inadequate input validation and sanitization practices.
Mitigation strategies include immediate patching to version 3.1.58 or later where the XSS vulnerability has been addressed through proper input sanitization and output encoding mechanisms. Administrators should implement comprehensive input validation that filters or encodes potentially dangerous characters including angle brackets, quotes, and javascript protocols. Web application firewalls can provide additional protection layers, though they should not replace proper code-level fixes. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities in other components of the web application ecosystem. Additionally, implementing content security policies and using secure coding practices that enforce strict input validation will help prevent future occurrences of this class of vulnerability.
The remediation process requires thorough testing of all user input handling mechanisms within the cart-lift plugin to ensure proper encoding and sanitization is applied to all dynamic content generation scenarios. Security teams should also conduct comprehensive vulnerability assessments across their entire web application infrastructure to identify other potential XSS attack vectors that may be present in related components or third-party integrations.