Colorzilla

What This Extension Does

Permissions Explained

• tabs: Allows the extension to interact with web pages, which is standard for extensions that need to perform actions on specific websites.
• scripting: Enables the extension to execute scripts in the context of web pages, also common for extensions that need to manipulate page content or behavior.
• storage: Grants permission for the extension to store data locally, which is typical for extensions that need to remember user settings or cache data.
• offscreen: This permission is unusual and not clearly explained by the extension's description. It could be related to rendering off-screen elements or handling background tasks but requires further investigation.
• <all_urls>: Grants access to all URLs, which is a broad permission that allows the extension to interact with any web page, including those outside its intended functionality. This is unusual for an extension described as productivity/developer-focused.

What We Found in the Code

• The use of function constructors for dynamic code execution is flagged as high-risk. However, without more context, it's difficult to determine if this is a legitimate coding pattern or a potential security issue.
• innerHTML assignment is flagged as a medium-risk potential XSS vector. This could be a normal practice for UI rendering in certain contexts but warrants further investigation.
• The extension makes HTTP requests, which is a common and expected behavior for extensions that need to fetch data from external sources.
• Keyboard listeners are used, which could be for shortcuts or other legitimate purposes within the extension's UI.

External Connections

• www.colorzilla.com, colorzilla.com: Expected for an extension that likely needs to communicate with its own website for updates, settings, or data.
• www.digitalmagicpro.com: Unusual and not clearly related to the extension's functionality. Further investigation is needed to understand this connection.
• johndyer.name, github.com, people.mozilla.org, en.wikipedia.org, docs.python.org, developer.mozilla.org, wiki.ecmascript.org: These domains appear to be external resources used for documentation, tutorials, or other non-security-related purposes.

Things to Consider