CVE-2026-1255 Information disclosure in YS LeadGen – Popup Builder, Popup Maker & Form Builder for WordPress | Lead Generation, Email Marketing, Sales, Conversions, Opt-Ins & Subscribers

High 7.5 Published Updated

Unauthenticated attackers can retrieve sensitive form submission data, including PII, via an exposed AJAX action in the YS LeadGen WordPress plugin.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-1255?

CVE-2026-1255 is a high-severity vulnerability in ysinnovations YS LeadGen – Popup Builder, Popup Maker & Form Builder for WordPress | Lead Generation, Email Marketing, Sales, Conversions, Opt-Ins & Subscribers, published on 19 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-200

Which versions are affected by CVE-2026-1255?

How do I fix CVE-2026-1255?

No fix has been published for CVE-2026-1255 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-1255 being exploited?

There is no known exploitation of CVE-2026-1255 in the wild and no public exploit code.

Sources

Also known as GHSA-48p5-g4jp-2qq5.

Is CVE-2026-1255 in your software?

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