Codoforum 4.8.8 allows self-XSS via the title of a new topic.

Codologic Codoforum through 4.8.4 allows a DOM-based XSS. While creating a new topic as a normal user, it is possible to add a poll that is automatically loaded in the DOM once the thread/topic is opened. Because session cookies lack the HttpOnly flag, it is possible to steal authentication cookies and take over accounts.

Codologic Codoforum through 4.8.4 allows stored XSS in the login area. This is relevant in conjunction with CVE-2020-5842 because session cookies lack the HttpOnly flag. The impact is account takeover.

Codoforum 4.8.3 allows XSS in the user registration page: via the username field to the index.php?u=/user/register URI. The payload is, for example, executed on the admin/index.php?page=users/manage page.

Codoforum 4.8.3 allows XSS in the admin dashboard via a category to the Manage Users screen.

Codoforum 4.8.3 allows XSS via a post using parameters display name, title name, or content.

Codoforum 4.8.3 allows XSS in the admin dashboard via a name field of a new user, i.e., on the Manage Users screen.