Is CVE-2026-107436 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-107436 being exploited in the wild.

How severe is CVE-2026-107436?

High severity, with a CVSS score of 8.8, published 18 October 2026.

Which products and versions are affected?

WP Chill Strong Testimonials through 3.3.12.

Is there a fix for CVE-2026-107436?

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-2026-107436 attacked?

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

Am I affected by CVE-2026-107436?

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-2026-107436: WP Chill Strong Testimonials object injection

CVE-2026-107436 · Severity: high · CVSS 8.8 · Published 2026-10-18

Strong Testimonials is a WordPress plugin used to display customer testimonials and reviews on websites. A deserialization vulnerability allows attackers with subscriber-level access to execute arbitrary PHP code on the server, potentially compromising the entire WordPress installation and underlying web server.

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

Quick answers

Is CVE-2026-107436 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-107436 being exploited in the wild.
How severe is CVE-2026-107436?: High severity, with a CVSS score of 8.8, published 18 October 2026.
Which products and versions are affected?: WP Chill Strong Testimonials through 3.3.12.
Is there a fix for CVE-2026-107436?: 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-2026-107436 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-107436?: 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 deserializes untrusted data, allowing PHP object injection attacks. An authenticated attacker with subscriber privileges can exploit this to instantiate arbitrary objects and achieve remote code execution on the server via PHP magic methods.

Affected products

WP Chill Strong Testimonials through 3.3.12

Timeline

2026-10-16: disclosed
2026-10-18: advisory

References

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