jQuery before 3.4.0, as used in Drupal, Backdrop CMS, and other products, mishandles jQuery.extend(true, {}, ...) because of Object.prototype pollution. If an unsanitized source object contained an enumerable __proto__ property, it could extend the native Object.prototype.

jQuery before 3.0.0 is vulnerable to Cross-site Scripting (XSS) attacks when a cross-domain Ajax request is performed without the dataType option, causing text/javascript responses to be executed.

In jQuery versions greater than or equal to 1.2 and before 3.5.0, passing HTML from untrusted sources - even after sanitizing it - to one of jQuery's DOM manipulation methods (i.e. .html(), .append(), and others) may execute untrusted code. This problem is patched in jQuery 3.5.0.

Cross-site scripting (XSS) vulnerability in jQuery UI before 1.12.0 might allow remote attackers to inject arbitrary web script or HTML via the closeText parameter of the dialog function.

In jQuery versions greater than or equal to 1.0.3 and before 3.5.0, passing HTML containing <option> elements from untrusted sources - even after sanitizing it - to one of jQuery's DOM manipulation methods (i.e. .html(), .append(), and others) may execute untrusted code. This problem is patched in jQuery 3.5.0.

Cross-Site Request Forgery (CSRF) vulnerability in bhzad WP jQuery Persian Datepicker allows Stored XSS. This issue affects WP jQuery Persian Datepicker: from n/a through 0.1.0.

Multiple plugins for WordPress are vulnerable to Stored Cross-Site Scripting via the plugin's bundled Featherlight.js JavaScript library (versions 1.7.13 to 1.7.14) in various versions due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CHR Designer Responsive jQuery Slider allows Stored XSS.This issue affects Responsive jQuery Slider: from n/a through 1.1.1.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in One Plus Solution jQuery TwentyTwenty allows Stored XSS.This issue affects jQuery TwentyTwenty: from n/a through 1.0.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in biztechc WP jQuery DataTable allows Stored XSS.This issue affects WP jQuery DataTable: from n/a through 4.0.1.