Open Bug 2060224 Opened 1 month ago Updated 1 month ago

www.alreadyordered.no - Firefox is not supported pop-up warning

Categories

(Web Compatibility :: Site Reports, defect, P3)

Desktop
Windows 10

Tracking

(Webcompat Priority:P3, Webcompat Score:1)

ASSIGNED
Webcompat Priority P3
Webcompat Score 1

People

(Reporter: rbucata, Assigned: twisniewski)

References

(Depends on 1 open bug, )

Details

(4 keywords, Whiteboard: [webcompat-source:web-bugs][autowebcompat:processed][autowebcompat:repro-success][autowebcompat:interv-ua-override-proposed])

User Story

autowebcompat-repro-status:success
autowebcompat-repro-chrome-mask-fixed:true
autowebcompat-repro-channels:nightly,stable,esr
platform:windows,mac,linux,android
impact:unsupported-warning
configuration:general
affects:all
branch:release
diagnosis-team:webcompat
user-impact-score:0

Attachments

(2 files)

Environment:
Operating system: Windows 10
Firefox version: Firefox 152.0

Steps to reproduce:
1.Navigate to: https://www.alreadyordered.no/compass149002/content/uncode-lite_child/mobile_view.php
2. Observe

Expected Behavior:
No warnings displayed

Actual Behavior:
Warning pop-up about browser not being supported

Notes:

  • Reproduces regardless of the status of ETP
  • Reproduces in firefox-nightly, and firefox-release
  • Does not reproduce in chrome

Created from https://github.com/webcompat/web-bugs/issues/230501

Whiteboard: [webcompat-source:web-bugs] → [webcompat-source:web-bugs][autowebcompat:processed]
User Story: (updated)
Whiteboard: [webcompat-source:web-bugs][autowebcompat:processed] → [webcompat-source:web-bugs][autowebcompat:processed][autowebcompat:repro-success][autowebcompat:interv-ua-override-proposed]

This is a genuine Firefox web-compatibility issue. Loading https://www.alreadyordered.no/compass149002/content/uncode-lite_child/mobile_view.php in Firefox triggers a native alert pop-up reading "This browser is not supported". The site's page script sniffs navigator.userAgent via a FindBrowser() function; when it detects "Firefox" it runs a code block that both hides the checkout ("GotoCheckout") button and fires alert("This browser is not supported"). Reproduction was confirmed: in Firefox the detected browser is "Mozilla Firefox" and the GotoCheckout_button has display:none (set in the same block as the alert), while the alert itself is a blocking native dialog (auto-dismissed by the automation driver). In Chrome the same page detects "Google Chrome or Chromium", no alert fires, and the checkout button stays visible. The behavior is Firefox-specific and degrades the site for Firefox users (spurious unsupported-browser warning plus a hidden checkout button), so it does not reproduce in Chrome.

Severity: -- → S3
User Story: (updated)
Webcompat Priority: --- → P3
Webcompat Score: --- → 3
Priority: -- → P3
User Story: (updated)
Webcompat Priority: P3 → P2
Webcompat Score: 3 → 4
User Story: (updated)
Keywords: leave-open
Assignee: nobody → twisniewski
Status: NEW → ASSIGNED
Pushed by twisniewski@mozilla.com: https://github.com/mozilla-firefox/firefox/commit/a6567e1ac262 https://hg.mozilla.org/integration/autoland/rev/f634a0cfc0b1 add a JS webcompat intervention for alreadyordered.no; r=skyschub,webcompat-reviewers
User Story: (updated)
Webcompat Priority: P2 → P3
Webcompat Score: 4 → 1
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