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CVE-2026-1255— YS LeadGen – Popups, Opt-ins & Lead Capture <= 2.1.4 - Unauthenticated Information Disclosure in 'ysleadgen_get_captured_data' AJAX Action

Quick assessment

Affected
ysinnovations YS LeadGen – Popup Builder, Popup Maker & Form Builder for WordPress | Lead Generation, Email Marketing, Sales, Conversions, Opt-Ins & Subscribers
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 YS LeadGen 插件在所有版本中（包括 2.1.4 及更早版本）均存在敏感信息暴露漏洞，原因是 这个 AJAX 动作对未认证用户开放访问权限。这使得未认证的恶意攻击者能够获取通过 YS LeadGen 表单提交的所有已捕获的表单数据，其中包括个人身份信息（PII），例如姓名、电子邮件地址和消息内容。

CVSS 7.5 · High
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I. Basic Information for CVE-2026-1255

Vulnerability Information
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Vulnerability Title
YS LeadGen – Popups, Opt-ins & Lead Capture <= 2.1.4 - Unauthenticated Information Disclosure in 'ysleadgen_get_captured_data' AJAX Action
Source: CVE Program / CVE List V5
Vulnerability Description
The YS LeadGen plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.1.4 due to the 'ysleadgen_get_captured_data' AJAX action being accessible to unauthenticated users. This makes it possible for unauthenticated attackers to retrieve all captured form submission data, including personally identifiable information (PII) such as names, email addresses, and message content submitted through YS LeadGen forms.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ysinnovations YS LeadGen – Popup Builder, Popup Maker & Form Builder for WordPress | Lead Generation, Email Marketing, Sales, Conversions, Opt-Ins & Subscribers 0 ~ 2.1.4 -

II. Public POCs for CVE-2026-1255

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III. Intelligence Information for CVE-2026-1255

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Vendor Advisories for CVE-2026-1255 (1)

Other References for CVE-2026-1255 (1)

IV. Related Vulnerabilities

Same product: YS LeadGen – Popup Builder, Popup Maker & Form Builder for WordPress | Lead Generation, Email Marketing, Sales, Conversions, Opt-Ins & Subscribers
Same vendor: ysinnovations
Same weakness: CWE-200

V. Comments for CVE-2026-1255

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