UPSTREAM FIX

magento2-39509: Magento 2 login inside the checkout with existing customer give console error in Firefox…

Community fix magento2-39509 merged into magento/magento2 on 2025-02-17, released in 2.4.8; applies cleanly to 27 releases from 2.4.6 to 2.4.7-p10.

Pull request title
Magento 2 login inside the checkout with existing customer give console error in Firefox browser
Pull request
magento/magento2#39509
Issues
#38557 human
Author
@Mohamed-Asar
Merged
2025-02-17
Fixed in
2.4.8
Reported on
2.4.6
Categories
Order/Checkout, Shopping Cart
Components
magento/module-customer

Labels

Area
Cart & Checkout
Component
Console
Priority
P2
Severity
—
Reported on (labels)
2.4.6

Issue

Title and steps come from the upstream issue and pull request.

Description

![Screenshot from 2024-03-29 18-18-20](https://github.com/magento/magento2/assets/145639298/a42d17be-3cfc-460e-a3ae-fa5cbfa3a399)

Steps to reproduce

1. Navigate to Store front as a guest user
2. Go to product page from home page or via category page
3. Add to cart a product
4. Proceed to checkout via minicart or from the cart page
5. Enter email address of an existing customer and then add password
6. Click login button

Expected result

Firefox console without an error

Actual result

![Screenshot from 2024-03-29 18-18-20](https://github.com/magento/magento2/assets/145639298/a42d17be-3cfc-460e-a3ae-fa5cbfa3a399)

Taken from the upstream issue.

Code match per tag

Each tag was checked with git apply --check against that tag's files. A clean match means the change applies; it is not a test result. Tags that already contain the fix are marked.

LineCode match per tagTests
2.4.6
2.4.6 clean 2.4.6-p1 clean 2.4.6-p2 clean 2.4.6-p3 clean 2.4.6-p4 clean 2.4.6-p5 clean 2.4.6-p6 clean 2.4.6-p7 clean 2.4.6-p8 clean 2.4.6-p9 clean 2.4.6-p10 clean 2.4.6-p11 clean 2.4.6-p12 clean 2.4.6-p13 clean 2.4.6-p14 clean 2.4.6-p15 clean
2.4.6: no test data 2.4.6-p1: no test data 2.4.6-p2: no test data 2.4.6-p3: no test data 2.4.6-p4: no test data 2.4.6-p5: no test data 2.4.6-p6: no test data 2.4.6-p7: no test data 2.4.6-p8: no test data 2.4.6-p9: no test data 2.4.6-p10: no test data 2.4.6-p11: no test data 2.4.6-p12: no test data 2.4.6-p13: no test data 2.4.6-p14: no test data 2.4.6-p15: no test data
2.4.7
2.4.7 clean 2.4.7-p1 clean 2.4.7-p2 clean 2.4.7-p3 clean 2.4.7-p4 clean 2.4.7-p5 clean 2.4.7-p6 clean 2.4.7-p7 clean 2.4.7-p8 clean 2.4.7-p9 clean 2.4.7-p10 clean
2.4.7: no test data 2.4.7-p1: no test data 2.4.7-p2: no test data 2.4.7-p3: no test data 2.4.7-p4: no test data 2.4.7-p5: no test data 2.4.7-p6: no test data 2.4.7-p7: no test data 2.4.7-p8: no test data 2.4.7-p9: no test data 2.4.7-p10: no test data
2.4.8
2.4.8 conflictcontains the fix 2.4.8-p1 conflictcontains the fix 2.4.8-p2 conflictcontains the fix 2.4.8-p3 conflictcontains the fix 2.4.8-p4 conflictcontains the fix 2.4.8-p5 conflictcontains the fix
2.4.8: no test data 2.4.8-p1: no test data 2.4.8-p2: no test data 2.4.8-p3: no test data 2.4.8-p4: no test data 2.4.8-p5: no test data
2.4.9
2.4.9 conflictcontains the fix
2.4.9: no test data

Triage

Model @cf/cloudflare/clef. Probability this is a bug fix: 96.2%. Probability it is security relevant: 10.8%.

Show the model's answers and probabilities
QuestionAnswerProbabilitiesConfidence
Change kindbugfixbugfix 95.6%, refactor 1.8%, tests_only 0.7%, feature 0.7%, docs_only 0.6%, dependency 0.6%89.8%
Areacheckoutcheckout 42.2%, customer 28.4%, frontend 25.6%22.8%
Reported version2.4.62.4.6 51.6%, 2.4.6-p1 2.5%, 2.4.6-p6 1.8%26.2%
Scope0.46 of 20 59.2%, 1 35.5%, 2 5.4%21.8%
Risk0.43 of 20 67.6%, 1 22.2%, 2 10.2%27.5%
Worth backporting0.95 of 20 36.5%, 1 32.2%, 2 31.3%0.2%

Download

For cweagans/composer-patches, choose a version below and download the bundle. Copy its magento2-39509/ folder into patches/composer/, merge composer.patches.json into composer.json, then run composer install. Test files are always removed; paths are relative to each package root, using the default -p1 level.

Packages (1): magento/module-customer
Bundle README (what the ZIP ships)
# magento2-39509

Community fix merged upstream into magento/magento2, adapted by magento.watch.
This is not a patch published by Adobe.

Pull request: https://github.com/magento/magento2/pull/39509
Issue: https://github.com/magento/magento2/issues/38557
Author: @Mohamed-Asar
Source commit: 69ccf82ce6a5c058fa682b3f9cac53335c3a27e1
Modifications: test files and documentation removed, paths rewritten relative to each Composer package.
Licence: OSL-3.0 / AFL-3.0, as the original Magento Open Source code.
Maintainer: Łukasz Bajsarowicz (@lbajsarowicz)

Licence: Magento Open Source code under OSL-3.0 and AFL-3.0. The bundle carries the original author, source commit and the list of modifications.

Sources

Łukasz Bajsarowicz
Built by

Łukasz Bajsarowicz, e-commerce architect

Magento and Adobe Commerce architecture, upgrades, performance and audits for merchants and agencies since 2015; magento.watch is the tooling I use on those projects.

Open source, maintained on weekends.