# CVE-2026-112858: axiomthemes Rhodos PHP object injection vulnerability

Source: https://junglewise.ai/threats/cve-2026-112858-deserialization-of-untrusted-data-vulnerability-in-axiomthemes  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-23. Updated: 2026-10-23  
License: CC BY 4.0 with a link back

CVE-2026-112858 · Severity: critical · CVSS 9.8 · Published 2026-10-23

Rhodos is a WordPress theme used to build and manage websites. An unauthenticated attacker can exploit a deserialization vulnerability to inject malicious objects that trigger arbitrary code execution on the web server, potentially giving attackers complete control of affected websites and access to sensitive data.

Vendors: [Axiomthemes](https://junglewise.ai/threats/vendors/axiomthemes).

## Quick answers

**Is CVE-2026-112858 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-112858 being exploited in the wild.

**How severe is CVE-2026-112858?** Critical severity, with a CVSS score of 9.8, published 23 October 2026.

**Which products and versions are affected?** Axiomthemes Rhodos through 1.3.3.

**Is there a fix for CVE-2026-112858?** No fixed version is recorded yet. Apply a Patchstack mitigation rule to block exploitation attempts until an official patch is available. Contact your hosting provider or web developer for assistance if you cannot update the theme immediately. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-112858 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-112858?** Check whether you run Axiomthemes Rhodos 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


Apply a Patchstack mitigation rule to block exploitation attempts until an official patch is available. Contact your hosting provider or web developer for assistance if you cannot update the theme immediately.

## Technical details

This is a PHP object injection vulnerability in the Rhodos WordPress theme caused by unsafe deserialization of untrusted data. An unauthenticated attacker can craft a malicious serialized object that, when processed by the theme, executes arbitrary PHP code with the privileges of the web server.

## Affected products

- axiomthemes Rhodos through 1.3.3

## Timeline

- 2026-02-12: disclosed
- 2026-10-23: advisory

## References

- [https://themeforest.net/](https://themeforest.net/)
- [https://patchstack.com/database/wordpress/theme/rhodos/vulnerability/wordpress-rhodos-theme-1-3-3-php-object-injection-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/theme/rhodos/vulnerability/wordpress-rhodos-theme-1-3-3-php-object-injection-vulnerability?_s_id=cve)