Rapid7’s 2026 Global Cybersecurity Summit is now available on-demand.Watch sessions.
Rapid7

vulnerability

WordPress Plugin: advanced-iframe: CVE-2021-24953: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
Feb 2, 2022
Added
May 15, 2025
Modified
Apr 30, 2026

Description

The Advanced iFrame WordPress plugin before 2022 does not sanitise and escape the ai_config_id parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting issue

Solution

advanced-iframe-plugin-cve-2021-24953
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.