# CVE-2026-62018: Gunslinger WordPress theme PHP Object Injection

Source: https://junglewise.ai/threats/cve-2026-62018-unauthenticated-php-object-injection-in-gunslinger-1-11-versions  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-29. Updated: 2026-10-29  
License: CC BY 4.0 with a link back

CVE-2026-62018 · Severity: critical · CVSS 9.8 · Published 2026-10-29

Gunslinger is a WordPress theme used to design websites. An unauthenticated attacker can inject malicious PHP objects to execute arbitrary code on the web server, potentially compromising the entire website and its data without requiring a password or login.

Vendors: [Wordpress](https://junglewise.ai/threats/vendors/wordpress).

## Quick answers

**Is CVE-2026-62018 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-62018 being exploited in the wild.

**How severe is CVE-2026-62018?** Critical severity, with a CVSS score of 9.8, published 29 October 2026.

**Which products and versions are affected?** Wordpress Gunslinger <= 1.11.

**Is there a fix for CVE-2026-62018?** Yes: fixed in <UNKNOWN>. Until then: Patchstack has issued a mitigation rule to block attacks against this vulnerability until an official patch becomes available. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-62018 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-62018?** Check whether you run Wordpress Gunslinger 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 <UNKNOWN>

Patchstack has issued a mitigation rule to block attacks against this vulnerability until an official patch becomes available.

## Technical details

An unauthenticated PHP Object Injection vulnerability in Gunslinger theme versions up to 1.11 allows attackers to manipulate data processing and achieve arbitrary code execution. The vulnerability is accessible without authentication, requiring only network access to the vulnerable website. Successful exploitation grants the attacker full control over server-side operations.

## Affected products

- WordPress Gunslinger <= 1.11

## Timeline

- 2026-10-12: disclosed
- 2026-10-29: advisory

## References

- [https://patchstack.com/database/wordpress/theme/gunslinger/vulnerability/wordpress-gunslinger-theme-1-11-php-object-injection-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/theme/gunslinger/vulnerability/wordpress-gunslinger-theme-1-11-php-object-injection-vulnerability?_s_id=cve)