# Winter CMS vulnerabilities

Source: https://junglewise.ai/threats/vendors/winter-cms  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 11 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/winter-cms.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 17 vulnerabilities in Winter CMS: 4 in the last 7 days and 17 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-126061, was published on 10 November 2026. Nothing was published in the last eight weeks. 3 technologies have a page of their own.

## Counts

- Last 7 days: 4
- Last 30 days: 4
- Last 90 days: 17
- All time: 17 (0 critical, 0 exploited in the wild)

## About Winter CMS

Winter CMS is a free, open-source content management system based on the Laravel PHP framework.

## Latest Winter CMS vulnerabilities

- [CVE-2026-126061: Winter CMS MyAccount controller information disclosure](https://junglewise.ai/threats/cve-2026-126061-winter-cms-is-a-content-management-system-built-on-the-laravel) (medium, CVSS 4.3, published 10 Nov 2026)
- [CVE-2026-125340: Winter CMS reflected XSS in Table widget search parameter](https://junglewise.ai/threats/cve-2026-125340-winter-cms-is-a-content-management-system-built-on-the-laravel) (medium, CVSS 4.5, published 10 Nov 2026)
- [CVE-2026-125339: Winter CMS CSRF via unvalidated backend handler invocation](https://junglewise.ai/threats/cve-2026-125339-winter-cms-is-a-content-management-system-built-on-the-laravel) (medium, CVSS 6.1, published 10 Nov 2026)
- [CVE-2026-125338: Winter CMS stored XSS in backend brand and editor settings](https://junglewise.ai/threats/cve-2026-125338-winter-cms-is-a-content-management-system-built-on-the-laravel) (medium, CVSS 4.5, published 10 Nov 2026)
- [CVE-2026-63179: Winter CMS local file inclusion via LESS @import directives](https://junglewise.ai/threats/cve-2026-63179-winter-cms-local-file-inclusion-via-less-import-directives) (medium, CVSS 4.9, published 26 Aug 2026)
- [CVE-2026-54256: Winter CMS FileUpload widget IDOR in attachment metadata](https://junglewise.ai/threats/cve-2026-54256-winter-cms-fileupload-widget-idor-in-attachment-metadata) (medium, CVSS 5.4, published 26 Aug 2026)
- [CVE-2026-32639: Winter CMS broken access control in Cms Controllers Index](https://junglewise.ai/threats/cve-2026-32639-winter-cms-broken-access-control-in-cms-controllers-index) (medium, CVSS 6.8, published 26 Aug 2026)
- [CVE-2026-32593: Winter CMS SQL injection in Backend Filter Widget numberrange scope](https://junglewise.ai/threats/cve-2026-32593-winter-cms-sql-injection-in-backend-filter-widget-numberrange) (medium, CVSS 5.9, published 26 Aug 2026)
- [CVE-2026-35445: Winter CMS authorization bypass in Users controller](https://junglewise.ai/threats/cve-2026-35445-winter-cms-authorization-bypass-in-users-controller) (high, CVSS 4, published 26 Aug 2026)
- [CVE-2026-32258: Winter CMS stored XSS in Editor Settings custom styles](https://junglewise.ai/threats/cve-2026-32258-winter-cms-stored-xss-in-editor-settings-custom-styles) (high, CVSS 8.1, published 26 Aug 2026)
- [CVE-2026-32257: Winter CMS stored XSS in Brand Settings custom styles](https://junglewise.ai/threats/cve-2026-32257-winter-cms-stored-xss-in-brand-settings-custom-styles) (high, CVSS 8.1, published 26 Aug 2026)
- [CVE-2026-79774: Winter CMS Twig sandbox escape in SecurityPolicy](https://junglewise.ai/threats/cve-2026-79774-winter-cms-twig-sandbox-escape-in-securitypolicy) (high, CVSS 8.4, published 25 Aug 2026)
- [CVE-2026-79773: Winter CMS local file inclusion in JavascriptImporter filter](https://junglewise.ai/threats/cve-2026-79773-winter-cms-local-file-inclusion-in-javascriptimporter-filter) (medium, CVSS 4.9, published 25 Aug 2026)
- [Winter CMS CSRF through backend page action routing](https://junglewise.ai/threats/winter-cms-csrf-through-backend-page-action-routing-63f3a65d) (medium, CVSS 6.1, published 20 Aug 2026)
- [Winter CMS ImportExportController AJAX handlers permission bypass](https://junglewise.ai/threats/winter-cms-importexportcontroller-ajax-handlers-permission-bypass-ac8bbb08) (high, CVSS 8.3, published 20 Aug 2026)
- [Winter backend user profile information disclosure via MyAccount controller](https://junglewise.ai/threats/winter-backend-user-profile-information-disclosure-via-myaccount-d7c5a5b1) (medium, CVSS 4.3, published 20 Aug 2026)
- [Winter Backend List widget stored XSS in image columns](https://junglewise.ai/threats/winter-backend-list-widget-stored-xss-in-image-columns-e56efd1b) (low, CVSS 2, published 20 Aug 2026)

## Most severe Winter CMS vulnerabilities

- [CVE-2026-79774: Winter CMS Twig sandbox escape in SecurityPolicy](https://junglewise.ai/threats/cve-2026-79774-winter-cms-twig-sandbox-escape-in-securitypolicy) (high, CVSS 8.4, published 25 Aug 2026)
- [Winter CMS ImportExportController AJAX handlers permission bypass](https://junglewise.ai/threats/winter-cms-importexportcontroller-ajax-handlers-permission-bypass-ac8bbb08) (high, CVSS 8.3, published 20 Aug 2026)
- [CVE-2026-32258: Winter CMS stored XSS in Editor Settings custom styles](https://junglewise.ai/threats/cve-2026-32258-winter-cms-stored-xss-in-editor-settings-custom-styles) (high, CVSS 8.1, published 26 Aug 2026)
- [CVE-2026-32257: Winter CMS stored XSS in Brand Settings custom styles](https://junglewise.ai/threats/cve-2026-32257-winter-cms-stored-xss-in-brand-settings-custom-styles) (high, CVSS 8.1, published 26 Aug 2026)
- [CVE-2026-35445: Winter CMS authorization bypass in Users controller](https://junglewise.ai/threats/cve-2026-35445-winter-cms-authorization-bypass-in-users-controller) (high, CVSS 4, published 26 Aug 2026)
- [CVE-2026-32639: Winter CMS broken access control in Cms Controllers Index](https://junglewise.ai/threats/cve-2026-32639-winter-cms-broken-access-control-in-cms-controllers-index) (medium, CVSS 6.8, published 26 Aug 2026)
- [CVE-2026-125339: Winter CMS CSRF via unvalidated backend handler invocation](https://junglewise.ai/threats/cve-2026-125339-winter-cms-is-a-content-management-system-built-on-the-laravel) (medium, CVSS 6.1, published 10 Nov 2026)
- [Winter CMS CSRF through backend page action routing](https://junglewise.ai/threats/winter-cms-csrf-through-backend-page-action-routing-63f3a65d) (medium, CVSS 6.1, published 20 Aug 2026)
- [CVE-2026-32593: Winter CMS SQL injection in Backend Filter Widget numberrange scope](https://junglewise.ai/threats/cve-2026-32593-winter-cms-sql-injection-in-backend-filter-widget-numberrange) (medium, CVSS 5.9, published 26 Aug 2026)
- [CVE-2026-54256: Winter CMS FileUpload widget IDOR in attachment metadata](https://junglewise.ai/threats/cve-2026-54256-winter-cms-fileupload-widget-idor-in-attachment-metadata) (medium, CVSS 5.4, published 26 Aug 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 4 | 0 | 0 |
| 24 Aug 2026 | 9 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 4 | 0 | 0 |

## Winter CMS technologies

- [Winter CMS](https://junglewise.ai/threats/technologies/winter-cms): 9 vulnerabilities
- [Winter CMS Backend Module](https://junglewise.ai/threats/technologies/backend-module): 5 vulnerabilities
- [Winter CMS WN Backend Module](https://junglewise.ai/threats/technologies/wn-backend-module): 5 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Winter CMS vulnerabilities", https://junglewise.ai/threats/vendors/winter-cms, 11 November 2026.