CVE-2023-2964: Simple Iframe Project Simple Iframe

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

The Simple Iframe WordPress plugin before 1.2.0 does not properly validate one of its WordPress block attribute's content, which may allow users whose role is at least that of a contributor to conduct Stored Cross-Site Scripting attacks.

Affected products

• Simple Iframe Project Simple Iframe: before 1.2.0 (fixed in 1.2.0)

Published 2023-07-10. Last modified 2026-06-17.