|Publicly Published||April 13, 2023|
|Last Updated||April 14, 2023|
The Kaya QR Code Generator plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'url' parameter passed to the 'wpkqcg_doDisplayQRCode' function via multiple methods including shortcodes in versions up to, and including, 1.5.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with contributor-level permissions or above to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
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