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Tips and Tricks HQ Support Portal › Forums › WP eStore Forum › Security Advisory: NextGen Gallery
Tagged: NextGen Gallery
If you are using a version of NextGen Gallery on your site, that is LESS THAN version 2.1.79, you are strongly advised to upgrade to the latest version; as per this security alert:
[https://arstechnica.com/security/2017/02/severe-vulnerability-in-wordpress-plugin-could-affect-1-million-sites]
Your site is affected ONLY IF you permit users to post messages, that could contain NextGen Gallery shortcodes.