An issue was discovered in Joomla! 4.0.0 through 4.2.6. A missing token check causes a CSRF vulnerability in the handling of post-installation messages.
An issue was discovered in Joomla! 4.0.0 through 4.2.4. Inadequate filtering of potentially malicious user input leads to reflected XSS vulnerabilities in com_media.
An issue was discovered in Joomla! 4.2.0 through 4.2.3. Inadequate filtering of potentially malicious user input leads to reflected XSS vulnerabilities in various components.
An issue was discovered in Joomla! 3.0.0 through 3.10.6 & 4.0.0 through 4.1.0. Extracting an specifilcy crafted tar package could write files outside of the intended path.