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.
Published:Mar 20, 2026
Last Modified:Mar 25, 2026
EPS:Mar 20, 2026
EPSS Score:0.0003
CVSS Score:6.1
Affected Products
Vendor
Product
Action
Vendor
Avo Hq
Product
Avo
Avo Hq
Avo
Vendor
Avohq
Product
Avo
Avohq
Avo
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
