# CVE-2018-21037: Subrion CMS CSRF Vulnerability

Source: https://junglewise.ai/threats/cve-2018-21037-subrion-cms-csrf-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-24  
License: CC BY 4.0 with a link back

CVE-2018-21037 · Severity: low · CVSS 3.1 · Published 2022-05-24

Subrion CMS CSRF Vulnerability

Technologies: [intelliants/subrion (Packagist)](https://junglewise.ai/threats/technologies/intelliants-subrion). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2018-21037 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2018-21037 being exploited in the wild.

**How severe is CVE-2018-21037?** Low severity, with a CVSS score of 3.1, published 24 May 2022.

**Which products and versions are affected?** intelliants/subrion (Packagist) ECOSYSTEM:introduced=0,fixed=4.2.1.

**Is there a fix for CVE-2018-21037?** Yes. intelliants/subrion (Packagist): upgrade to 4.2.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2018-21037?** Check whether you run intelliants/subrion (Packagist) 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

- intelliants/subrion (Packagist): upgrade to 4.2.1 or later

  ```sh
  composer require intelliants/subrion:^4.2.1
  ```


## Affected products

- intelliants/subrion (Packagist) ECOSYSTEM:introduced=0,fixed=4.2.1

## Identifiers

- CVE-2018-21037
- GHSA-g8j7-w673-4mjp

## Related threats

- [Intelliants Subrion CMS stored XSS in Blocks Endpoint](https://junglewise.ai/threats/cve-2026-12202-intelliants-subrion-cms-stored-xss-in-blocks-endpoint)
- [Subrion CMS vulnerable to cross-site scripting](https://junglewise.ai/threats/cve-2025-70958-subrion-cms-vulnerable-to-cross-site-scripting)
- [Subrion CMS: Authenticated administrators are able to gain escalated access through Run SQL Query tool](https://junglewise.ai/threats/cve-2025-56556-subrion-cms-authenticated-administrators-are-able-to-gain)
- [Subrion CMS vulnerable to Cross Site Scripting](https://junglewise.ai/threats/cve-2024-25399-subrion-cms-vulnerable-to-cross-site-scripting)
- [Withdrawn Advisory: Subrion CMS vulnerable to SQL Injection](https://junglewise.ai/threats/cve-2024-25400-withdrawn-advisory-subrion-cms-vulnerable-to-sql-injection)