CVE-2024-30549 in Contact Forms Plugin
Summary
by MITRE • 04/01/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in cimatti Contact Forms by Cimatti contact-forms.This issue affects Contact Forms by Cimatti: from n/a through <= 1.8.0.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 04/01/2026
The CVE-2024-30549 vulnerability represents a critical cross-site scripting flaw in the Contact Forms by Cimatti plugin, specifically impacting versions up to and including 1.8.0. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent and dangerous web application security flaws. The vulnerability occurs during the web page generation process when user input is improperly neutralized before being rendered back to the browser, creating an opportunity for malicious actors to inject and execute arbitrary scripts within the context of other users' sessions.
The technical flaw manifests when the plugin fails to adequately sanitize or escape user-supplied data that is subsequently displayed on web pages. This improper input handling allows attackers to craft malicious payloads that can be stored or transmitted through the contact form functionality. When other users view the affected web page or interact with the compromised form data, their browsers execute the injected malicious scripts, potentially leading to session hijacking, credential theft, or other malicious activities. The vulnerability is particularly concerning because it operates at the point of data rendering rather than data storage, meaning that even if input validation occurs during form submission, the flaw persists during output generation.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform a wide range of malicious activities within the context of the vulnerable website. Attackers can exploit this flaw to steal cookies, session tokens, or other sensitive information from authenticated users who visit pages containing the malicious content. The vulnerability also provides a potential entry point for more sophisticated attacks such as privilege escalation or data exfiltration, particularly when the affected website hosts users with administrative privileges. Additionally, the XSS vulnerability can be leveraged to deface websites, redirect users to malicious domains, or establish persistent backdoors through the manipulation of web page content.
Mitigation strategies for CVE-2024-30549 should prioritize immediate remediation through updating to the latest version of the Contact Forms by Cimatti plugin where the vulnerability has been addressed. Organizations should implement comprehensive input validation and output escaping mechanisms throughout their web applications, following secure coding practices that align with OWASP Top Ten security guidelines. The implementation of Content Security Policy headers can provide an additional layer of protection by restricting the sources from which scripts can be executed. Security monitoring should include regular scanning for XSS vulnerabilities and proper sanitization of all user inputs. Furthermore, implementing proper access controls and session management practices can help limit the potential damage from successful XSS attacks, while regular security audits and penetration testing can identify similar vulnerabilities in other components of the web application stack. The ATT&CK framework categorizes this vulnerability under T1059.001 for command and scripting interpreter and T1566.001 for spearphishing attachment, indicating that exploitation typically involves the execution of malicious scripts and social engineering techniques to deliver the payload to vulnerable systems.