Is CVE-2026-100507 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-100507 being exploited in the wild.

How severe is CVE-2026-100507?

High severity, with a CVSS score of 7.1, published 30 September 2026.

Which products and versions are affected?

If-So Dynamic Content Personalization <=1.10.1.

Is there a fix for CVE-2026-100507?

A patch was published on 2026-09-30: Fixed in version 1.10.2 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-100507 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-100507?

Check whether you run If-So Dynamic Content Personalization at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-100507: If-So Dynamic Content Personalization unauthenticated XSS

Q: Is there a fix for CVE-2026-100507?

A patch was published on 2026-09-30: Fixed in version 1.10.2 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Q: How is CVE-2026-100507 attacked?

It is attacked over the network, in a web application.

Q: Am I affected by CVE-2026-100507?

Check whether you run If-So Dynamic Content Personalization at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-100507 · Severity: high · CVSS 7.1 · Published 2026-09-30

If-So Dynamic Content Personalization is a WordPress plugin that personalizes website content for visitors. An unauthenticated attacker can inject malicious JavaScript into vulnerable versions of the plugin, which executes in the browsers of site visitors, allowing theft of session cookies, account hijacking, or insertion of malware. The vulnerability affects all versions up to 1.10.1 and is patched in version 1.10.2.

Vendors: If-So.

Quick answers

Is CVE-2026-100507 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-100507 being exploited in the wild.
How severe is CVE-2026-100507?: High severity, with a CVSS score of 7.1, published 30 September 2026.
Which products and versions are affected?: If-So Dynamic Content Personalization <=1.10.1.
Is there a fix for CVE-2026-100507?: A patch was published on 2026-09-30: Fixed in version 1.10.2 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-100507 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-100507?: Check whether you run If-So Dynamic Content Personalization at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

This is an unauthenticated reflected or stored cross-site scripting (XSS) vulnerability in the If-So Dynamic Content Personalization WordPress plugin. The vulnerability requires user interaction (visiting a malicious link or visiting a page with stored XSS payload), and allows attackers to execute arbitrary JavaScript in the context of the vulnerable website. An attacker can steal session tokens, redirect users, inject content, or perform actions on behalf of users.

Affected products

If-So Dynamic Content Personalization <=1.10.1

Timeline

2026-09-30: disclosed: Published to NVD and Patchstack
2026-09-30: patched: Fixed in version 1.10.2

References

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