Is CVE-2026-104409 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-104409 being exploited in the wild.

How severe is CVE-2026-104409?

Medium severity, with a CVSS score of 6.5, published 5 October 2026.

Which products and versions are affected?

WP Chill Image Photo Gallery Final Tiles Grid through 3.6.13.

Is there a fix for CVE-2026-104409?

Yes: fixed in 3.6.14. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-104409 attacked?

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

Am I affected by CVE-2026-104409?

Check whether you run WP Chill Image Photo Gallery Final Tiles Grid 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-2026-104409: WP Chill Image Photo Gallery Final Tiles Grid stored XSS

CVE-2026-104409 · Severity: medium · CVSS 6.5 · Published 2026-10-05

WP Chill's Image Photo Gallery Final Tiles Grid is a WordPress plugin that enables users to create image galleries with lightbox effects and portfolio features. The plugin contains a stored cross-site scripting (XSS) vulnerability that allows an authenticated contributor or developer to inject malicious scripts into the site, which can steal visitor data or hijack their accounts when other users view the affected content.

Vendors: WP Chill.

Quick answers

Is CVE-2026-104409 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-104409 being exploited in the wild.
How severe is CVE-2026-104409?: Medium severity, with a CVSS score of 6.5, published 5 October 2026.
Which products and versions are affected?: WP Chill Image Photo Gallery Final Tiles Grid through 3.6.13.
Is there a fix for CVE-2026-104409?: Yes: fixed in 3.6.14. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-104409 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-104409?: Check whether you run WP Chill Image Photo Gallery Final Tiles Grid 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: 3.6.14

Technical details

This stored XSS vulnerability in Image Photo Gallery Final Tiles Grid versions up to 3.6.13 occurs due to improper neutralization of user-supplied input during web page generation. The vulnerability requires a user with contributor or developer privileges to exploit; successful exploitation requires user interaction (such as clicking a malicious link or visiting a crafted page). Once injected, the malicious script persists in the database and executes in the browsers of all users who view the affected content.

Affected products

WP Chill Image Photo Gallery Final Tiles Grid through 3.6.13

Timeline

2026-01-08: disclosed
2026-10-05: advisory

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.