Description
Apache with mod_rewrite enabled on most UNIX systems allows remote attackers to bypass RewriteRules by inserting extra / (slash) characters into the requested path, which causes the regular expression in the RewriteRule to fail.
Remediation
References
Related Vulnerabilities
WordPress Plugin Import Spreadsheets from Microsoft Excel Arbitrary File Upload (10.1.4)
WordPress 3.9.x Multiple Vulnerabilities (3.9 - 3.9.21)
WordPress Plugin Cryptocurrency Donation Box-Bitcoin & Crypto Donations Security Bypass (1.7)
WordPress Plugin Custom Content Type Manager 'upload_form.php' Arbitrary File Upload (0.9.5.13)