# CVE-2026-119526: ThemeREX Royal Event PHP object injection

Source: https://junglewise.ai/threats/cve-2026-119526-deserialization-of-untrusted-data-vulnerability-in-themerex  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-30. Updated: 2026-10-30  
License: CC BY 4.0 with a link back

CVE-2026-119526 · Severity: critical · CVSS 9.8 · Published 2026-10-30

Royal Event is a WordPress theme that allows website owners to create event pages and manage event content. An unauthenticated attacker can exploit a PHP object injection vulnerability to execute arbitrary code on the server, leading to complete site compromise and data theft.

Vendors: [ThemeREX](https://junglewise.ai/threats/vendors/themerex).

## Quick answers

**Is CVE-2026-119526 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-119526 being exploited in the wild.

**How severe is CVE-2026-119526?** Critical severity, with a CVSS score of 9.8, published 30 October 2026.

**Which products and versions are affected?** ThemeREX Royal Event up to 2.0.

**Is there a fix for CVE-2026-119526?** No fixed version is recorded yet. Apply a mitigation rule via Patchstack to block attacks until an official patch becomes available. If unable to update, contact your hosting provider or web developer for assistance. 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-2026-119526 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-119526?** Check whether you run ThemeREX Royal Event 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 mitigation rule via Patchstack to block attacks until an official patch becomes available. If unable to update, contact your hosting provider or web developer for assistance.

## Technical details

The vulnerability is a deserialization of untrusted data flaw that allows PHP object injection in Royal Event theme versions up to 2.0. An unauthenticated attacker can manipulate serialized data to inject malicious objects, resulting in arbitrary code execution on the server. No official patch is currently available.

## Affected products

- ThemeREX Royal Event up to 2.0

## Timeline

- 2026-10-30: disclosed
- 2026-02-20: other: Reported by Bonds

## References

- [https://patchstack.com/database/wordpress/theme/royal-event/vulnerability/wordpress-royal-event-theme-2-0-php-object-injection-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/theme/royal-event/vulnerability/wordpress-royal-event-theme-2-0-php-object-injection-vulnerability?_s_id=cve)