Information disclosure in Ysinnovations Ys Leadgen – Popup Builder, Maker & Form Builder For WordPress | Lead Generation, Email Marketing, Sales, Conversions, Opt-Ins Subscribers

CVE-2026-1255

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.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (43.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-1255: held from 0.003 to 0.005.

EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-1255?
CVE-2026-1255 is a high-severity vulnerability in Ysinnovations Ys Leadgen – Popup Builder, Maker & Form Builder For WordPress | Lead Generation, Email Marketing, Sales, Conversions, Opt-Ins Subscribers, classified under Information Disclosure. CVSS score: 7.5/10. Published 2026-09-19.
How severe is CVE-2026-1255?
High severity. CVSS v3 base score is 7.5 out of 10.