Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2025-3421— Everest Forms <= 3.1.1 - Reflected Cross-Site Scripting

Quick assessment

Affected
wpeverest Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Everest Forms 3.1.1及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足，导致反射型跨站脚本攻击。

CVSS 6.1 · Medium EPSS 0.34% · P27
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-3421

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Everest Forms <= 3.1.1 - Reflected Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The Everest Forms – Contact Form, Quiz, Survey, Newsletter & Payment Form Builder for WordPress plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'form_id' parameter in all versions up to, and including, 3.1.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Everest Forms 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。WordPress plugin是一个应用插件。 WordPress plugin Everest Forms 3.1.1及之前版本存在跨站脚本漏洞，该漏洞源于输入清理和输出转义不足，导致反射型跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
wpeverest Everest Forms – Contact Form, Quiz, Survey, Newsletter & Payment Form Builder for WordPress * ~ 3.1.1 -

II. Public POCs for CVE-2025-3421

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-3421

请登录查看更多情报信息。

Vendor Advisories for CVE-2025-3421 (1)

Same Patch Batch · wpeverest · 2025-04-11 · 3 CVEs total

CVE-2025-3439 9.8 CRITICAL Everest Forms – Contact Form, Quiz, Survey, Newsletter & Payment Form Builder for WordPres
CVE-2025-3422 5.4 MEDIUM Everest Forms <= 3.1.1 - Authenticated (Subscriber+) Arbitrary Shortcode Execution

IV. Related Vulnerabilities

Same product: Everest Forms – Contact Form, Payment Form, Quiz, Survey & Custom Form Builder
Same vendor: wpeverest
Same weakness: CWE-79

V. Comments for CVE-2025-3421

No comments yet

Leave a comment