CVE-2026-33209

Avo is a framework to create admin panels for Ruby on Rails apps. Prior to version 3.30.3, a reflected cross-site scripting (XSS) vulnerability exists in the return_to query parameter used in the avo interface. An attacker can craft a malicious URL that injects arbitrary JavaScript, which is executed when he clicks a dynamically generated navigation button. This issue has been patched in version 3.30.3.
Configurations

Configuration 1 (hide)

cpe:2.3:a:avohq:avo:*:*:*:*:*:ruby:*:*

History

17 Jun 2026, 10:37

Type Values Removed Values Added
Summary
  • (es) Avo es un framework para crear paneles de administración para aplicaciones Ruby on Rails. Antes de la versión 3.30.3, existe una vulnerabilidad de cross-site scripting (XSS) reflejado en el parámetro de consulta return_to utilizado en la interfaz de Avo. Un atacante puede crear una URL maliciosa que inyecta JavaScript arbitrario, que se ejecuta cuando hace clic en un botón de navegación generado dinámicamente. Este problema ha sido parcheado en la versión 3.30.3.

23 Mar 2026, 18:55

Type Values Removed Values Added
References () https://github.com/avo-hq/avo/commit/4453d39ddc6309f3bc8ada73ef21e1971112de7d - () https://github.com/avo-hq/avo/commit/4453d39ddc6309f3bc8ada73ef21e1971112de7d - Patch
References () https://github.com/avo-hq/avo/pull/4330 - () https://github.com/avo-hq/avo/pull/4330 - Issue Tracking, Patch
References () https://github.com/avo-hq/avo/releases/tag/v3.30.3 - () https://github.com/avo-hq/avo/releases/tag/v3.30.3 - Product, Release Notes
References () https://github.com/avo-hq/avo/security/advisories/GHSA-762r-27w2-q22j - () https://github.com/avo-hq/avo/security/advisories/GHSA-762r-27w2-q22j - Vendor Advisory
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 6.1
First Time Avohq avo
Avohq
CPE cpe:2.3:a:avohq:avo:*:*:*:*:*:ruby:*:*

20 Mar 2026, 23:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-03-20 23:16

Updated : 2026-06-17 10:37


NVD link : CVE-2026-33209

Mitre link : CVE-2026-33209

CVE.ORG link : CVE-2026-33209


JSON object : View

Products Affected

avohq

  • avo
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')