CVE-2026-9280CWE-79

Ad Inserter <= 2.8.15 - Reflected Cross-Site Scripting via URL Parameters in iframe Mode

Medium · published June 6, 2026

CVSS v3.1
6.1
EPSS
0%
Percentile
31.8
In the wild
Unconfirmed
What it is

The Ad Inserter – Ad Manager & AdSense Ads plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via URL Parameters in iframe Mode in all versions up to, and including, 2.8.15 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. Exploitation requires that iframe mode (AI_OPTION_IFRAME) is enabled on at least one ad block displayed on the targeted page, which is a non-default but supported configuration commonly used for AdSense and JavaScript-based ads.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00389 · 31.8th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-06-06T02:28Z
EPSS history
Timeline
  • 06 JUN 02:28Z
    Ad Inserter <= 2.8.15 - Reflected Cross-Site Scripting via URL Parameters in iframe Mode
    cvelistv5