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CVE-2026-15782— WPForms <= 2.0.0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via OptinMonster Integration data-sitekey Attribute in Post Content

Quick assessment

Affected
smub WPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More
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 WPForms是WordPress基金会的一款用于创建联系表单、支付表单、调查问卷及测验的WordPress表单构建器。 WordPress WPForms 2.0.0.1及之前版本存在跨站脚本漏洞，该漏洞源于对OptinMonster Integration数据中data-sitekey属性的输入清理和输出转义不足，可能导致认证的攻击者在页面中注入任意Web脚本。

CVSS 4.9 · Medium EPSS 0.29% · P20

Affected Version Matrix 1

VendorProduct Version RangeStatus
smub WPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More ≤ 2.0.0.1 affected
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I. Basic Information for CVE-2026-15782

Vulnerability Information
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Vulnerability Title
WPForms <= 2.0.0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via OptinMonster Integration data-sitekey Attribute in Post Content
Source: CVE Program / CVE List V5
Vulnerability Description
The WPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More plugin for WordPress is vulnerable to Stored Cross-Site Scripting via OptinMonster Integration data-sitekey Attribute in Post Content in all versions up to, and including, 2.0.0.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires the OptinMonster plugin to be installed and configured with an active inline campaign that outputs matching #om-{id} markup on the target page, as the WPForms handler only fires when OptinMonster emits its 'om.Campaign.load' event.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/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
Vulnerability Title
WordPress WPForms 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress WPForms是WordPress基金会的一款用于创建联系表单、支付表单、调查问卷及测验的WordPress表单构建器。 WordPress WPForms 2.0.0.1及之前版本存在跨站脚本漏洞，该漏洞源于对OptinMonster Integration数据中data-sitekey属性的输入清理和输出转义不足，可能导致认证的攻击者在页面中注入任意Web脚本。
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
smub WPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More 0 ~ 2.0.0.1 -

II. Public POCs for CVE-2026-15782

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III. Intelligence Information for CVE-2026-15782

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Patches & Fixes for CVE-2026-15782 (2)

News Coverage for CVE-2026-15782 (1)

IV. Related Vulnerabilities

Same product: WPForms – AI Form Builder for WordPress – Contact Forms, Payment Forms, Survey Form, Quiz & More
Same vendor: smub
Same weakness: CWE-79

V. Comments for CVE-2026-15782

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