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

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.

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

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

app/Model/feed.php in MISP before 2.4.124 allows administrators to choose arbitrary files that should be ingested by MISP. This does not cause a leak of the full contents of a file, but does cause a leaks of strings that match certain patterns. Among the data that can leak are passwords from database.php or GPG key passphrases from config.php.

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.

MISP before 2.4.115 allows privilege escalation in certain situations. After updating to 2.4.115, escalation attempts are blocked by the __checkLoggedActions function with a "This could be an indication of an attempted privilege escalation on older vulnerable versions of MISP (<2.4.115)" message.

An issue was discovered in app/webroot/js/misp.js in MISP before 2.4.107. There is persistent XSS via image names in titles, as demonstrated by a screenshot.

An issue was discovered in app/View/Elements/Events/View/value_field.ctp in MISP before 2.4.107. There is persistent XSS via link type attributes with javascript:// links.

A persistent XSS issue was discovered in app/View/Helper/CommandHelper.php in MISP before 2.4.107. JavaScript can be included in the discussion interface, and can be triggered by clicking on the link.

In MISP before 2.4.105, the app/View/Layouts/default.ctp default layout template has a Reflected XSS vulnerability.

In MISP 2.4.102, an authenticated user can view sightings that they should not be eligible for. Exploiting this requires access to the event that has received the sighting. The issue affects instances with restrictive sighting settings (event only / sighting reported only).