XSS in various backend modules due to (un)escaping in JS notification module
Moderate severity
GitHub Reviewed
Published
May 18, 2022
in
neos/neos-development-collection
•
Updated Jan 11, 2023
Package
Affected versions
>= 3.3, < 5.3.10
>= 7.0.0, < 7.0.9
>= 7.1.0, < 7.1.7
>= 7.2.0, < 7.2.6
>= 7.3.0, < 7.3.4
>= 8.0.0, < 8.0.2
Patched versions
5.3.10
7.0.9
7.1.7
7.2.6
7.3.4
8.0.2
Description
Published to the GitHub Advisory Database
May 25, 2022
Reviewed
May 25, 2022
Last updated
Jan 11, 2023
The notification module displaying flash messages unscapes HTML coming from the server, resulting in XSS vulnerabilities with various names and labels of entities (eg. workspace title or media title). This however means you must be a logged in user with respective rights in the first place to leverage the attack vector.
References