# CVE-2026-110370: GS Plugins GS Pins for Pinterest object injection vulnerability

Source: https://junglewise.ai/threats/cve-2026-110370-deserialization-of-untrusted-data-vulnerability-in-gs-plugins-gs  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-21. Updated: 2026-10-21  
License: CC BY 4.0 with a link back

CVE-2026-110370 · Severity: high · CVSS 8.8 · Published 2026-10-21

GS Pins for Pinterest is a WordPress plugin that displays Pinterest content on websites. A PHP object injection flaw allows authenticated attackers with contributor-level access to execute arbitrary code on the web server, potentially compromising the entire website and any data it hosts.

Vendors: [GS Plugins](https://junglewise.ai/threats/vendors/gs-plugins).

## Quick answers

**Is CVE-2026-110370 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-110370 being exploited in the wild.

**How severe is CVE-2026-110370?** High severity, with a CVSS score of 8.8, published 21 October 2026.

**Which products and versions are affected?** GS Plugins GS Pins for Pinterest through 1.9.2.

**Is there a fix for CVE-2026-110370?** Yes: fixed in 1.9.3. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-110370 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-110370?** Check whether you run GS Plugins GS Pins for Pinterest 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 1.9.3

## Technical details

A PHP object injection vulnerability in GS Pins for Pinterest allows deserialization of untrusted data, enabling an attacker with contributor-level privileges to manipulate object instantiation and execute arbitrary code. The vulnerability requires authentication as a contributor or higher. A fix is available in version 1.9.3.

## Affected products

- GS Plugins GS Pins for Pinterest through 1.9.2

## Timeline

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

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/gs-pinterest-portfolio/vulnerability/wordpress-gs-pins-for-pinterest-plugin-1-9-2-php-object-injection-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/gs-pinterest-portfolio/vulnerability/wordpress-gs-pins-for-pinterest-plugin-1-9-2-php-object-injection-vulnerability?_s_id=cve)