In Liferay Portal 7.2.0 through 7.4.1, and older unsupported versions, and Liferay DXP 7.3 before service pack 3, 7.2 before fix pack 15, and older unsupported versions the `doAsUserId` URL parameter may get leaked when creating linked content using the WYSIWYG editor and while impersonating a user. This may allow remote authenticated users to impersonate a user after accessing the linked content.

Liferay Portal 7.2.0 through 7.4.1, and older unsupported versions, and Liferay DXP 7.3 before service pack 3, 7.2 before fix pack 18, and older unsupported versions returns with different responses depending on whether a site does not exist or if the user does not have permission to access the site, which allows remote attackers to discover the existence of sites by enumerating URLs. This vulnerability occurs if locale.prepend.friendly.url.style=2 and if a custom 404 page is used.

The IFrame widget in Liferay Portal 7.2.0 through 7.4.3.26, and older unsupported versions, and Liferay DXP 7.4 before update 27, 7.3 before update 6, 7.2 before fix pack 19, and older unsupported versions does not check the URL of the IFrame, which allows remote authenticated users to cause a denial-of-service (DoS) via a self referencing IFrame.

Stored cross-site scripting (XSS) vulnerability in the Portal Search module's Search Result app in Liferay Portal 7.2.0 through 7.4.3.11, and older unsupported versions, and Liferay DXP 7.4 before update 8, 7.3 before update 4, 7.2 before fix pack 17, and older unsupported versions allows remote authenticated users to inject arbitrary web script or HTML into the Search Result app's search result if highlighting is disabled by adding any searchable content (e.g., blog, message board message, web content article) to the application.

A SQL injection vulnerability in the Layout module in Liferay Portal 7.1.3 through 7.4.3.4, and Liferay DXP 7.1 before fix pack 27, 7.2 before fix pack 17, 7.3 before service pack 3, and 7.4 GA allows remote authenticated attackers to execute arbitrary SQL commands via a crafted payload injected into a page template's 'Name' field.

A SQL injection vulnerability in the Fragment module in Liferay Portal 7.3.3 through 7.4.3.16, and Liferay DXP 7.3 before update 4, and 7.4 before update 17 allows attackers to execute arbitrary SQL commands via a PortletPreferences' `namespace` attribute.

Certain Liferay products are vulnerable to Cross Site Scripting (XSS) via the Commerce module. This affects Liferay Portal 7.3.5 through 7.4.2 and Liferay DXP 7.3 before update 8.

A Cross-site scripting (XSS) vulnerability in the Portal Search module in Liferay Portal 7.1.0 through 7.4.2, and Liferay DXP 7.1 before fix pack 27, 7.2 before fix pack 15, and 7.3 before service pack 3 allows remote attackers to inject arbitrary web script or HTML via the `tag` parameter.

A Cross-site scripting (XSS) vulnerability in the Sharing module's user notification in Liferay Portal 7.2.1 through 7.4.2, and Liferay DXP 7.2 before fix pack 19, and 7.3 before update 4 allows remote attackers to inject arbitrary web script or HTML by sharing an asset with a crafted payload.

A Cross-site scripting (XSS) vulnerability in the Announcements module in Liferay Portal 7.1.0 through 7.4.2, and Liferay DXP 7.1 before fix pack 27, 7.2 before fix pack 17, and 7.3 before service pack 3 allows remote attackers to inject arbitrary web script or HTML.

A Cross-site scripting (XSS) vulnerability in the Document and Media module - file upload functionality in Liferay Digital Experience Platform 7.3.10 SP3 allows remote attackers to inject arbitrary JS script or HTML into the description field of uploaded svg file.

A Cross-site scripting (XSS) vulnerability in the Frontend Taglib module in Liferay Portal 7.3.2 through 7.4.3.16, and Liferay DXP 7.3 before update 6, and 7.4 before update 17 allows remote attackers to inject arbitrary web script or HTML.

A Cross-site scripting (XSS) vulnerability in the Frontend Editor module's integration with CKEditor in Liferay Portal 7.3.2 through 7.4.3.14, and Liferay DXP 7.3 before update 6, and 7.4 before update 15 allows remote attackers to inject arbitrary web script or HTML via the (1) name, or (2) namespace parameter.

A Cross-site scripting (XSS) vulnerability in the Role module's edit role assignees page in Liferay Portal 7.4.0 through 7.4.3.36, and Liferay DXP 7.4 before update 37 allows remote attackers to inject arbitrary web script or HTML.

A Cross-site scripting (XSS) vulnerability in the Portal Search module's Sort widget in Liferay Portal 7.2.0 through 7.4.3.24, and Liferay DXP 7.2 before fix pack 19, 7.3 before update 5, and DXP 7.4 before update 25 allows remote attackers to inject arbitrary web script or HTML via a crafted payload.

A Cross-site scripting (XSS) vulnerability in the Blog module - add new topic functionality in Liferay Digital Experience Platform 7.3.10 SP3 allows remote attackers to inject arbitrary JS script or HTML into the name field of newly created topic.

HtmlUtil.escapeRedirect in Liferay Portal 7.3.1 through 7.4.2, and Liferay DXP 7.0 fix pack 91 through 101, 7.1 fix pack 17 through 25, 7.2 fix pack 5 through 14, and 7.3 before service pack 3 can be circumvented by using multiple forward slashes, which allows remote attackers to redirect users to arbitrary external URLs via the (1) 'redirect` parameter (2) `FORWARD_URL` parameter, and (3) others parameters that rely on HtmlUtil.escapeRedirect.

The Layout module in Liferay Portal v7.3.3 through v7.4.3.34, and Liferay DXP 7.3 before update 10, and 7.4 before update 35 does not check user permission before showing the preview of a "Content Page" type page, allowing attackers to view unpublished "Content Page" pages via URL manipulation.

A cross-site scripting (XSS) vulnerability in Liferay Portal v7.3.3 through v7.4.2 and Liferay DXP v7.3 before service pack 3 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the name of a tag.

Liferay Portal v7.1.0 through v7.4.2 and Liferay DXP 7.1 before fix pack 26, 7.2 before fix pack 15, and 7.3 before service pack 3 was discovered to contain a cross-site scripting (XSS) vulnerability in the Portal Search module's Custom Facet widget. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Custom Parameter Name text field.