# CVE-2025-61676: October CMS Vulnerable to Stored XSS via Branding Styles

Source: https://junglewise.ai/threats/cve-2025-61676-october-cms-vulnerable-to-stored-xss-via-branding-styles  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-01-09  
License: CC BY 4.0 with a link back

CVE-2025-61676 · Severity: low · CVSS 3.1 · Published 2026-01-09

October CMS Vulnerable to Stored XSS via Branding Styles

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

## Quick answers

**Is CVE-2025-61676 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-61676 being exploited in the wild.

**How severe is CVE-2025-61676?** Low severity, with a CVSS score of 3.1, published 9 January 2026.

**Which products and versions are affected?** october/system (Packagist) ECOSYSTEM:introduced=0,fixed=3.7.13.

**Is there a fix for CVE-2025-61676?** Yes. october/system (Packagist): upgrade to 3.7.13 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2025-61676?** Check whether you run october/system (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

- october/system (Packagist): upgrade to 3.7.13 or later

  ```sh
  composer require october/system:^3.7.13
  ```


## Affected products

- october/system (Packagist) ECOSYSTEM:introduced=0,fixed=3.7.13

## Identifiers

- CVE-2025-61676
- GHSA-wvpq-h33f-8rp6

## Related threats

- [October CMS PHP object injection in widget session storage](https://junglewise.ai/threats/cve-2026-49400-october-cms-php-object-injection-in-widget-session-storage)
- [October CMS Twig sandbox bypass in Safe Mode](https://junglewise.ai/threats/cve-2026-46696-october-cms-twig-sandbox-bypass-in-safe-mode)
- [October CMS: Editor Sub-Permission Bypass for Asset and Blueprint File Operations](https://junglewise.ai/threats/cve-2026-29179-october-cms-editor-sub-permission-bypass-for-asset-and-blueprint)
- [October CMS: Reflected XSS via DataTable Form Widget](https://junglewise.ai/threats/cve-2026-27937-october-cms-reflected-xss-via-datatable-form-widget)
- [October CMS has Safe Mode Bypass via CSS Preprocessor Compilers](https://junglewise.ai/threats/cve-2026-26067-october-cms-has-safe-mode-bypass-via-css-preprocessor-compilers)