An issue was discovered in app/Model/SharingGroupServer.php in MISP 2.4.139. In the implementation of Sharing Groups, the "all org" flag sometimes provided view access to unintended actors.

MISP 2.4.136 has XSS via galaxy cluster element values to app/View/GalaxyElements/ajax/index.ctp. Reference types could contain javascript: URLs.

MISP 2.4.136 has Stored XSS in the galaxy cluster view via a cluster name to app/View/GalaxyClusters/view.ctp.

The default setting of MISP 2.4.136 did not enable the requirements (aka require_password_confirmation) to provide the previous password when changing a password.

An issue was discovered in MISP before 2.4.121. ACLs for discussion threads were mishandled in app/Controller/ThreadsController.php and app/Model/Thread.php.

An issue was discovered in MISP before 2.4.121. The Galaxy view contained an incorrectly sanitized search string in app/View/Galaxies/view.ctp.

An issue was discovered in MISP before 2.4.121. It did not consider the HTTP PUT method when trying to block a brute-force series of invalid requests.

An issue was discovered in MISP before 2.4.121. It did not canonicalize usernames when trying to block a brute-force series of invalid requests.

An issue was discovered in MISP before 2.4.121. It mishandled time skew (between the machine hosting the web server and the machine hosting the database) when trying to block a brute-force series of invalid requests.

app/View/Elements/genericElements/SingleViews/Fields/genericField.ctp in MISP 2.4.135 has XSS via the authkey comment field.

MISP before 2.4.135 lacks an ACL check, related to app/Controller/GalaxyElementsController.php and app/Model/GalaxyElement.php.

In MISP 2.4.134, XSS exists in the template element index view because the id parameter is mishandled.

MISP through 2.4.133 allows SSRF in the REST client via the use_full_path parameter with an arbitrary URL.

An issue was discovered in MISP before 2.4.132. It can perform an unwanted action because of a POST operation on a form that is not linked to the login page.

A cross-site scripting (XSS) vulnerability exists in MISP v2.4.128 in app/Controller/UserSettingsController.php at SetHomePage() function. Due to a lack of controller validation in "path" parameter, an attacker can execute malicious JavaScript code.

In MISP before 2.4.129, setting a favourite homepage was not CSRF protected.

An issue was discovered in MISP 2.4.128. app/Controller/EventsController.php lacks an event ACL check before proceeding to allow a user to send an event contact form.

An issue was discovered in MISP 2.4.128. app/Controller/AttributesController.php has insufficient ACL checks in the attachment downloader.

app/Model/Attribute.php in MISP 2.4.127 lacks an ACL lookup on attribute correlations. This occurs when querying the attribute restsearch API, revealing metadata about a correlating but unreachable attribute.

app/View/Events/resolved_attributes.ctp in MISP before 2.4.126 has XSS in the resolved attributes view.