{ "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2020-4041", "STATE": "PUBLIC", "TITLE": "The filename of uploaded files vulnerable to stored XSS in Bolt CMS" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "bolt", "version": { "version_data": [ { "version_value": "< 3.7.1" } ] } } ] }, "vendor_name": "bolt" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "In Bolt CMS before version 3.7.1, the filename of uploaded files was vulnerable to stored XSS. It is not possible to inject javascript code in the file name when creating/uploading the file. But, once created/uploaded, it can be renamed to inject the payload in it. Additionally, the measures to prevent renaming the file to disallowed filename extensions could be circumvented. This is fixed in Bolt 3.7.1." } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/bolt/bolt/pull/7853", "refsource": "MISC", "url": "https://github.com/bolt/bolt/pull/7853" }, { "name": "https://github.com/bolt/bolt/commit/b42cbfcf3e3108c46a80581216ba03ef449e419f", "refsource": "MISC", "url": "https://github.com/bolt/bolt/commit/b42cbfcf3e3108c46a80581216ba03ef449e419f" }, { "name": "https://github.com/bolt/bolt/security/advisories/GHSA-68q3-7wjp-7q3j", "refsource": "CONFIRM", "url": "https://github.com/bolt/bolt/security/advisories/GHSA-68q3-7wjp-7q3j" }, { "refsource": "MISC", "name": "http://packetstormsecurity.com/files/158299/Bolt-CMS-3.7.0-XSS-CSRF-Shell-Upload.html", "url": "http://packetstormsecurity.com/files/158299/Bolt-CMS-3.7.0-XSS-CSRF-Shell-Upload.html" }, { "refsource": "FULLDISC", "name": "20200703 Bolt CMS <= 3.7.0 Multiple Vulnerabilities - CSRF to RCE", "url": "http://seclists.org/fulldisclosure/2020/Jul/4" } ] }, "source": { "advisory": "GHSA-68q3-7wjp-7q3j", "discovery": "UNKNOWN" } }