{"id":"GHSA-gp6m-fq6h-cjcx","aliases":[],"title":"Magento LTS vulnerable to stored XSS in admin file form","description":"### Summary\nOpenMage is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a low-privileged attacker to inject malicious scripts into vulnerable form fields.\n\n### Details\n`Mage_Adminhtml_Block_System_Config_Form_Field_File` does not escape filename value in certain situations.\nSame as: https://nvd.nist.gov/vuln/detail/CVE-2024-20717\n\n### PoC\n1. Create empty file with this filename: `<img src=x onerror=alert(1)>.crt`\n2. Go to _System_ > _Configuration_ > _Sales | Payment Methonds_.\n3. Click **Configure** on _PayPal Express Checkout_.\n4. Choose **API Certificate** from dropdown _API Authentication Methods_.\n5. Choose the XSS-file and click **Save Config**.\n6. Profit, alerts \"1\" -> XSS.\n7. Reload, alerts \"1\" -> Stored XSS.\n\n### Impact\nAffects admins that have access to any fileupload field in admin in core or custom implementations.\nMalicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field.\n","severity":"medium","score":5.4,"published":"2024-02-27T21:47:58.000Z","modified":"2024-11-30T05:27:42.302Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"openmage/magento-lts","ranges":[{"events":[{"introduced":"20.0.0"},{"fixed":"20.5.0"}],"type":"ECOSYSTEM"}],"versions":["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","v20.2.0","v20.3.0","v20.4.0"],"fixed":["20.5.0"]},{"ecosystem":"Packagist","name":"openmage/magento-lts","ranges":[{"events":[{"introduced":"0"},{"fixed":"19.5.3"}],"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"],"fixed":["19.5.3"]}],"references":["https://github.com/OpenMage/magento-lts/security/advisories/GHSA-gp6m-fq6h-cjcx","https://nvd.nist.gov/vuln/detail/CVE-2024-20717","https://github.com/OpenMage/magento-lts"],"sources":[{"name":"OSV","id":"GHSA-gp6m-fq6h-cjcx","modified":"2024-11-30T05:27:42.302302Z","url":"https://osv.dev/vulnerability/GHSA-gp6m-fq6h-cjcx"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4}]}