CVE-2024-29117 is a CWE-79 (Improper Neutralization of Input During Web Page Generation) vulnerability affecting Contact Forms by Cimatti versions up to 1.7.0. It allows stored cross-site scripting attacks by failing to properly sanitize user input before rendering it in web pages. The vulnerability has a CVSS 3.1 base score of 7.1, indicating high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability. No patch or official remediation level has been published yet.

Successful exploitation of this vulnerability can allow an attacker to execute arbitrary scripts in the context of the affected web application, potentially leading to partial disclosure of sensitive information, modification of data, or disruption of service. The CVSS vector indicates that the attack can be performed remotely without privileges but requires user interaction. The impact affects confidentiality, integrity, and availability to a limited extent.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider restricting access to the vulnerable plugin, applying web application firewall (WAF) rules to detect and block XSS payloads targeting this component, and educating users about the risks of interacting with untrusted inputs. Monitor Cimatti Consulting's advisories for updates on patches or official mitigations.