CVE-2026-33209

EPSS 0.01%

Avo has a XSS vulnerability on `return_to` param

Published: 3/18/2026Modified: 3/25/2026

Description

## Description 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. ## Impact This vulnerability may allow execution of arbitrary JavaScript in the context of the application. Impact varies depending on deployment: - In unauthenticated setups: exploitable via crafted links sent to users - In authenticated setups: limited to authenticated users and requires interaction

Affected packages (1)

CVSS scores

SourceVersionSeverityVector
osvCVSS 4.0—CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

References (7)