CVE-2024-31257 MEDIUM

CVE-2024-31257: WordPress Formsite plugin <= 1.6 - Cross Site Scripting (XSS) vulnerability

Vendor Formsite
Product Formsite | Embed online forms to collect orders, registrations, leads, and surveys
Weakness CWE-79 · XSS
Published April 7, 2024
Last update April 28, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Formsite Formsite | Embed online forms to collect orders, registrations, leads, and surveys allows Stored XSS.This issue affects Formsite | Embed online forms to collect orders, registrations, leads, and surveys: from n/a through 1.6.

Explanation of Vulnerability in Simple Terms

02Summary

Formsite versions up to 1.6 contain a cross-site scripting (XSS) vulnerability in form handling. An authenticated user can inject malicious scripts that execute in other users' browsers when they interact with affected forms. The vulnerability requires user interaction and can affect confidentiality, integrity, and availability of form data.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers when they view or submit forms.

Potential impact on your site

04Site Impact

Users' session data, form submissions, or credentials could be stolen or modified if they interact with a compromised form.

Conditions required to exploit

05Prerequisites

Attacker must have a Formsite account (low privilege level) and the victim must visit a page with the malicious form.

Key dates

06Disclosure timeline

April 7, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE