Is CVE-2026-107435 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-107435 being exploited in the wild.

How severe is CVE-2026-107435?

High severity, with a CVSS score of 7.1, published 21 October 2026.

Which products and versions are affected?

WP Chill Strong Testimonials up to 3.3.12.

Is there a fix for CVE-2026-107435?

Yes: fixed in 3.3.13. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-107435 attacked?

It is attacked over the network, in a software library.

Am I affected by CVE-2026-107435?

Check whether you run WP Chill Strong Testimonials 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-2026-107435: WP Chill Strong Testimonials stored cross-site scripting

CVE-2026-107435 · Severity: high · CVSS 7.1 · Published 2026-10-21

Strong Testimonials is a WordPress plugin that collects and displays customer testimonials on websites. A stored cross-site scripting vulnerability allows attackers to inject malicious scripts that persist on the site and are executed in visitors' browsers, potentially stealing session data or account credentials. Exploitation requires a privileged user to be tricked into clicking a malicious link or visiting a crafted page.

Technologies: WP Chill Strong Testimonials. Vendors: WP Chill.

Quick answers

Is CVE-2026-107435 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-107435 being exploited in the wild.
How severe is CVE-2026-107435?: High severity, with a CVSS score of 7.1, published 21 October 2026.
Which products and versions are affected?: WP Chill Strong Testimonials up to 3.3.12.
Is there a fix for CVE-2026-107435?: Yes: fixed in 3.3.13. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-107435 attacked?: It is attacked over the network, in a software library.
Am I affected by CVE-2026-107435?: Check whether you run WP Chill Strong Testimonials 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: 3.3.13

Technical details

The plugin improperly neutralizes user input during web page generation, allowing stored XSS injection. The vulnerability affects Strong Testimonials up to version 3.3.12 and requires user interaction—specifically a privileged user performing an action such as clicking a link or submitting a form. Attackers can inject persistent malicious scripts that execute for all site visitors, compromising visitor accounts and stealing data; the issue is fixed in version 3.3.13.

Affected products

WP Chill Strong Testimonials up to 3.3.12

Timeline

2026-10-21: disclosed
2026-10-19: advisory

References

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