---
title: "CVE-2026-62105: ThemeREX Addons - Remote Code Execution"
description: "ThemeREX Addons < 2.45.0 contains an unauthenticated PHP Object Injection caused by improper handling of serialized data, letting unauthenticated attackers execute arbitrary code remotely, exploit requires no authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-62105/
---

# CVE-2026-62105 ThemeREX Addons - Remote Code Execution

ThemeREX Addons < 2.45.0 contains an unauthenticated PHP Object Injection caused by improper handling of serialized data, letting unauthenticated attackers execute arbitrary code remotely, exploit requires no authentication.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.56% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-62105)

## Details

Type

Remote Code Execution

Impact

Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

11 September 2026

Updated

15 October 2026

Weakness

[CWE-502](https://cwe.mitre.org/data/definitions/502.html)

## Vendor fix

Upgrade to version 2.45.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-62105](https://nvd.nist.gov/vuln/detail/CVE-2026-62105)
- [https://patchstack.com/database/wordpress/plugin/trx\_addons/vulnerability/wordpress-themerex-addons-plugin-2-45-0-php-object-injection-vulnerability?\_s\_id=cve](https://patchstack.com/database/wordpress/plugin/trx_addons/vulnerability/wordpress-themerex-addons-plugin-2-45-0-php-object-injection-vulnerability?_s_id=cve)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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