Vulnerability Details CVE-2018-18965
osCommerce 2.3.4.1 has an incomplete '.htaccess' for blacklist filtering in the "product" page. The .htaccess file in catalog/images/ bans the html extension, but there are several alternative cases in which HTML can be executed, such as a file with no extension or an unrecognized extension (e.g., the test or test.asdf filename).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 44.8%
CVSS Severity
CVSS v3 Score 4.9
CVSS v2 Score 4.0
References
Products affected by CVE-2018-18965
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cpe:2.3:a:oscommerce:online_merchant:2.3.4.1