CVE-2026-124262 WordPress Ad Inserter plugin <= 2.8.19 - Content Injection vulnerability
Attackers can inject script or content into pages via the Ad Inserter WordPress plugin; site owners using it should care.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Harmful if only installed
- No
- Needs a specific call
- No
- Fix
- None listed
What is CVE-2026-124262?
CVE-2026-124262 is a medium-severity cross-site scripting vulnerability in Igor Funa Ad Inserter, published on 11 Nov 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Igor Funa Ad Inserter ad-inserter allows Code Injection.This issue affects Ad Inserter: from n/a through 2.8.19.
Weakness: CWE-80
Which versions are affected by CVE-2026-124262?
An affected version is exposed as installed. No special setting or call is needed.
How do I fix CVE-2026-124262?
No fix has been published for CVE-2026-124262 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-124262 being exploited?
There is no known exploitation of CVE-2026-124262 in the wild and no public exploit code.
Sources
Also known as GHSA-rmc2-xrpm-x4vh.