https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Mon, 12 Oct 2026 08:58:02 +0000 https://vulnerability.circl.lu/vuln/cve-2023-6551 <p><strong>Affected:</strong> class.upload.php</p> <p>As a simple library, class.upload.php does not perform an in-depth check on uploaded files, allowing a stored XSS vulnerability when the default configuration is used.</p> <p>Developers must be aware of that fact and use extension whitelisting accompanied by forcing the server to always provide content-type based on the file extension.</p> <p>The README has been updated to include these guidelines.</p> <p><strong>Affected:</strong> class.upload.php</p> <p>As a simple library, class.upload.php does not perform an in-depth check on uploaded files, allowing a stored XSS vulnerability when the default configuration is used.</p> <p>Developers must be aware of that fact and use extension whitelisting accompanied by forcing the server to always provide content-type based on the file extension.</p> <p>The README has been updated to include these guidelines.</p> https://vulnerability.circl.lu/vuln/cve-2023-6551