CVE-2023-49766 HIGH

CVE-2023-49766: WordPress Ultimate Addons for Contact Form 7 Plugin <= 3.2.0 is vulnerable to Cross Site Scripting (XSS)

Vendor Themefic
Product Ultimate Addons for Contact Form 7
Weakness CWE-79 · XSS
Published December 14, 2023
Last update April 28, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/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 Themefic Ultimate Addons for Contact Form 7 allows Stored XSS.This issue affects Ultimate Addons for Contact Form 7: from n/a through 3.2.0.

Explanation of Vulnerability in Simple Terms

02Summary

Ultimate Addons for Contact Form 7 through version 3.2.0 contains a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages. An attacker can craft a malicious link or page that, when visited by a site user, executes arbitrary JavaScript in their browser. This can lead to session hijacking, credential theft, or defacement. The vulnerability affects all users of the plugin up to and including version 3.2.0.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in the browsers of site visitors.

Potential impact on your site

04Site Impact

Visitors' sessions can be hijacked, credentials stolen, or the site can be defaced without your direct involvement.

Conditions required to exploit

05Prerequisites

A site visitor must click a malicious link or visit an attacker-controlled page that triggers the vulnerability.

Key dates

06Disclosure timeline

December 14, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE