Advisories for Gem/Avo package

2024

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

Avo is a framework to create admin panels for Ruby on Rails apps. In Avo 3 pre12 any HTML inside text that is passed to error or succeed in an Avo::BaseAction subclass will be rendered directly without sanitization in the toast/notification that appears in the UI on Action completion. A malicious user could exploit this vulnerability to trigger a cross site scripting attack on an unsuspecting user. This issue has …

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

Avo is a framework to create admin panels for Ruby on Rails apps. A stored cross-site scripting (XSS) vulnerability was found in the key_value field of Avo v3.2.3. This vulnerability could allow an attacker to execute arbitrary JavaScript code in the victim's browser. The value of the key_value is inserted directly into the HTML code. In the current version of Avo (possibly also older versions), the value is not properly …

2023

Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')

Avo is an open source ruby on rails admin panel creation framework. The polymorphic field type stores the classes to operate on when updating a record with user input, and does not validate them in the back end. This can lead to unexpected behavior, remote code execution, or application crashes when viewing a manipulated record. This issue has been addressed in commit ec117882d which is expected to be included in …

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

Avo is an open source ruby on rails admin panel creation framework. In affected versions some avo fields is vulnerable to Cross Site Scripting (XSS) when rendering html based content. Attackers do need form edit privilege in order to successfully exploit this vulnerability, but the results are stored and no specific timing is required. This issue has been addressed in commit 7891c01e which is expected to be included in the …