CVE-2026-1255: Ysinnovations Ys Leadgen – Popup Builder, Popup Maker & Form Builder For WordPress | Lead Generation, Email Marketing, Sales, Conversions, Opt-Ins & Subscribers

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Ysinnovations Ys Leadgen – Popup Builder, Popup Maker & Form Builder For WordPress | Lead Generation, Email Marketing, Sales, Conversions, Opt-Ins & Subscribers: up to and including 2.1.4

Published 2026-09-19. Last modified 2026-09-21.