1891352 - Detect DevTools using (new Error).message

Status: RESOLVED DUPLICATE of bug 1789258

(DevTools :: General, defect)

Description

[awathefox]

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.0.0 Safari/537.36 Edg/123.0.0.0

Steps to reproduce:

Step to produce:

const err = new Error('Detect DevTools');
Object.defineProperty(err, 'message', { get() { console.log('triggered'); return 'NoDevTools'; } });
console.log(err); // err.message getter is automatically called when open DevTools.

Actual results:

if DevTools is opened it will output 'triggered', otherwise nothing.

Expected results:

This method should not be able to detect DevTools.

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

The Bugbug bot thinks this bug should belong to the 'DevTools::General' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.

Comment 2

[Julian Descottes [:jdescottes]]

Attachment: bug1891352.html

Comment 3

[Nicolas Chevobbe [:nchevobbe]]

Looks like the same issue as Bug 1789258