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CVE-2026-33209

MEDIUM

6.1

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.

CVE Details

CVSS v3.1 Score6.1

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published3/20/2026

Last Modified3/23/2026

Sourcenvd

Honeypot Sightings0

Affected Products

avohq:avo

Weaknesses (CWE)

CWE-79

References

https://github.com/avo-hq/avo/commit/4453d39ddc6309f3bc8ada73ef21e1971112de7d(security-advisories@github.com)

https://github.com/avo-hq/avo/pull/4330(security-advisories@github.com)

https://github.com/avo-hq/avo/releases/tag/v3.30.3(security-advisories@github.com)

https://github.com/avo-hq/avo/security/advisories/GHSA-762r-27w2-q22j(security-advisories@github.com)

IOC Correlations

No correlations recorded

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