The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

Simple Image Gallery v1.0 was discovered to contain a remote code execution (RCE) vulnerability via the username parameter.

A SQL injection vulnerability exits on the Simple Image Gallery System 1.0 application through "id" parameter on the album page.

The Simple Image Gallery WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the msg parameter found in the ~/simple-image-gallery.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.6.

An unrestricted file upload on Simple Image Gallery Web App can be exploited to upload a web shell and executed to gain unauthorized access to the server hosting the web app.

The htmlImageAddTitleAttribute function in sige.php in the Kubik-Rubik Simple Image Gallery Extended (SIGE) extension 3.2.3 for Joomla! has XSS via a crafted image header, as demonstrated by the Caption-Abstract header object in a JPEG file. This is fixed in 3.3.1.

Reflected XSS in Kubik-Rubik SIGE (aka Simple Image Gallery Extended) before 3.3.0 allows attackers to execute JavaScript in a victim's browser by having them visit a plugins/content/sige/plugin_sige/print.php link with a crafted img, name, or caption parameter.