CVE-2026-100507 WordPress If-So Dynamic Content Personalization plugin <= 1.10.1 - Cross Site Scripting (XSS) vulnerability
Attackers can execute arbitrary scripts in victim browsers via reflected XSS in the If-So Dynamic Content Personalization WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-100507?
CVE-2026-100507 is a high-severity cross-site scripting vulnerability in If-So Dynamic Content Personalization, published on 30 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in If-So Dynamic Content If-So Dynamic Content Personalization if-so allows Reflected XSS.This issue affects If-So Dynamic Content Personalization: from n/a through 1.10.1.
Weakness: CWE-79
Which versions are affected by CVE-2026-100507?
How do I fix CVE-2026-100507?
No fix has been published for CVE-2026-100507 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-2026-100507 being exploited?
There is no known exploitation of CVE-2026-100507 in the wild and no public exploit code.
Sources
Also known as GHSA-gw84-6h89-7r4f.