CVE-2026-22422 MEDIUM

CVE-2026-22422: WordPress Everest Forms plugin <= 3.4.1 - Arbitrary Shortcode Execution vulnerability

Vendor Wpeverest
Product Everest Forms
Weakness CWE-80 · XSS · basic
Published February 19, 2026
Last update April 28, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in wpeverest Everest Forms everest-forms allows Code Injection.This issue affects Everest Forms: from n/a through <= 3.4.1.

Explanation of Vulnerability in Simple Terms

02Summary

Everest Forms versions 3.4.1 and earlier contain an integrity vulnerability that allows attackers to modify data without authentication. The vulnerability requires only network access and no user interaction. Site administrators should update to a version newer than 3.4.1 to mitigate the risk of unauthorized data modification.

What an attacker can do

03Attacker Capabilities

Modify form data or site content without logging in.

Potential impact on your site

04Site Impact

Form submissions or site data could be altered by unauthorized users without your knowledge.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

February 19, 2026 CVE published
April 28, 2026 Record updated