CVE-2026-57708 in Contact Form Entries Plugin
Summary
by MITRE • 07/13/2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CRM Perks Contact Form Entries contact-form-entries allows Reflected XSS.This issue affects Contact Form Entries: from n/a through <= 1.5.2.
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Analysis
by VulDB Data Team • 07/13/2026
This cross-site scripting vulnerability exists within the CRM Perks Contact Form Entries plugin for WordPress, specifically impacting versions up to and including 1.5.2. The flaw represents a classic reflected xss vector where malicious input is not properly sanitized before being rendered in web pages generated by the plugin. The vulnerability falls under CWE-79 which categorizes improper neutralization of input during web page generation as a fundamental weakness in web application security. Attackers can exploit this issue by crafting malicious payloads that are reflected back to users through the contact form functionality, potentially executing arbitrary javascript code in the context of the victim's browser session.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding within the plugin's handling of user-supplied data. When users submit contact form entries or interact with the plugin's interface, the input parameters are not adequately sanitized before being incorporated into dynamically generated html content. This creates an environment where malicious scripts can be injected and executed when other users view the affected pages. The reflected nature of this vulnerability means that the malicious payload must be crafted to target a specific user session, typically through phishing emails or compromised links that direct victims to exploit the vulnerable endpoint.
The operational impact of this vulnerability extends beyond simple script execution as it can enable attackers to hijack user sessions, steal sensitive information, manipulate data within the application, or redirect users to malicious websites. An attacker could potentially access administrator accounts if they target privileged users, leading to complete system compromise. The vulnerability's scope is limited to the specific contact form functionality and does not appear to affect core wordpress operations, but it can still provide a foothold for further attacks within the compromised environment. This aligns with ATT&CK technique T1566 which covers social engineering methods that can be employed to deliver malicious payloads through web interfaces.
Mitigation strategies should prioritize immediate patching of affected versions to version 1.5.3 or later where the vulnerability has been addressed. Administrators should also implement additional defensive measures including input validation at multiple layers, output encoding for all dynamic content, and regular security auditing of plugins and themes. The implementation of a web application firewall can provide additional protection against known attack patterns while monitoring for suspicious traffic patterns. Users should be educated about the risks of clicking untrusted links and the importance of maintaining up-to-date software versions. Security configurations should include proper access controls and least privilege principles to limit potential damage if exploitation occurs, ensuring that even if one component is compromised, the overall system remains protected through layered security approaches.