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CVE-2026-18324— Forminator Forms <= 1.57.0.1 - Unauthenticated Stored Cross-Site Scripting via Rich-Text Textarea Field

Quick assessment

Affected
wpmudev Forminator Forms – Contact Form, Payment Form & 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 的 Forminator Forms – Contact Form, Payment Form & Custom Form Builder 插件在所有版本中（包括 1.57.0.1 及之前版本）存在一个存储型跨站脚本攻击（Stored Cross-Site Scripting, XSS）漏洞。该漏洞源于富文本（Rich-Text）文本区域字段缺乏足够的输入净化和输出转义。这使得未认证的 attackers 能够将任意 Web 脚本注入到页面中，当用户访问该被注入的页面时，脚本即会被执行。利用该漏

CVSS 7.2 · High EPSS 0.30% · P22

Affected Version Matrix 1

VendorProduct Version RangeStatus
wpmudev Forminator Forms – Contact Form, Payment Form & Custom Form Builder ≤ 1.57.0.1 affected
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I. Basic Information for CVE-2026-18324

Vulnerability Information
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Vulnerability Title
Forminator Forms <= 1.57.0.1 - Unauthenticated Stored Cross-Site Scripting via Rich-Text Textarea Field
Source: CVE Program / CVE List V5
Vulnerability Description
The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Rich-Text Textarea Field in all versions up to, and including, 1.57.0.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires that the targeted Textarea field has the Rich-Text editor option enabled.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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

Affected Products

Vendor Product Affected Versions CPE Subscribe
wpmudev Forminator Forms – Contact Form, Payment Form & Custom Form Builder 0 ~ 1.57.0.1 -

II. Public POCs for CVE-2026-18324

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III. Intelligence Information for CVE-2026-18324

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Patches & Fixes for CVE-2026-18324 (4)

Vendor Advisories for CVE-2026-18324 (1)

Vendor Pages for CVE-2026-18324 (2)

IV. Related Vulnerabilities

Same product: Forminator Forms – Contact Form, Payment Form & Custom Form Builder
Same vendor: wpmudev
Same weakness: CWE-79

V. Comments for CVE-2026-18324

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