Is CVE-2026-121782 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-121782 being exploited in the wild.

How severe is CVE-2026-121782?

High severity, with a CVSS score of 7.1, published 9 November 2026.

Which products and versions are affected?

If-So Dynamic Content Personalization through 1.10.3.

Is there a fix for CVE-2026-121782?

Yes: fixed in 1.10.4. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-121782 attacked?

It is attacked over the network.

Am I affected by CVE-2026-121782?

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-2026-121782: If-So Dynamic Content Personalization reflected XSS

CVE-2026-121782 · Severity: high · CVSS 7.1 · Published 2026-11-09

If-So Dynamic Content Personalization is a WordPress plugin that personalizes web page content for visitors. A reflected cross-site scripting (XSS) vulnerability allows attackers to inject malicious scripts that can steal visitor data or hijack their accounts by tricking users into clicking crafted links. The vulnerability affects all versions through 1.10.3 and requires user interaction to exploit.

Vendors: If-So.

Quick answers

Is CVE-2026-121782 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-121782 being exploited in the wild.
How severe is CVE-2026-121782?: High severity, with a CVSS score of 7.1, published 9 November 2026.
Which products and versions are affected?: If-So Dynamic Content Personalization through 1.10.3.
Is there a fix for CVE-2026-121782?: Yes: fixed in 1.10.4. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-121782 attacked?: It is attacked over the network.
Am I affected by CVE-2026-121782?: 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.

How to fix

Fixed in: 1.10.4

Technical details

This is a reflected XSS vulnerability in the If-So Dynamic Content Personalization WordPress plugin where user input is not properly neutralized during web page generation. The vulnerability is unauthenticated and requires user interaction (such as clicking a malicious link). Successful exploitation allows an attacker to inject and execute arbitrary JavaScript in a victim's browser session.

Affected products

If-So If-So Dynamic Content Personalization through 1.10.3

Timeline

2026-11-09: disclosed

References

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