Deserialization of Untrusted Data vulnerability in PickPlugins Accordion accordions allows Object Injection.This issue affects Accordion: from n/a through <= 2.3.11.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PickPlugins Accordion accordions allows Stored XSS.This issue affects Accordion: from n/a through <= 2.2.99.

Missing Authorization vulnerability in PickPlugins Accordion accordions allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Accordion: from n/a through <= 2.3.15.

Missing Authorization vulnerability in PickPlugins Accordion accordions allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Accordion: from n/a through <= 2.3.14.

The tab GET parameter of the settings page is not sanitised or escaped when being output back in an HTML attribute, leading to a reflected XSS issue.

An issue was discovered in the Accordion plugin before 2.2.9 for WordPress. The unprotected AJAX wpajaxaccordionsajaximportjson action allowed any authenticated user with Subscriber or higher permissions the ability to import a new accordion and inject malicious JavaScript as part of the accordion.