VULNERABILITY INTELLIGENCE
CVE-2026-33209
CVSS score6.1 MEDIUM
EPSS probability0.27%
CISA KEVNot currently listed
Published2026-03-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Description
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.
Weakness classification
- security-advisories@github.com: CWE-79
Primary references
- security-advisories@github.com — Patch
- security-advisories@github.com — Issue Tracking, Patch
- security-advisories@github.com — Product, Release Notes
- security-advisories@github.com — Vendor Advisory