PublishPress vulnerabilities

The Schedule Post Changes With PublishPress Future plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'wrapper' attribute of the [futureaction] shortcode in all versions up to, and including, 4.10.0. This is due to insufficient input sanitization on the wrapper attribute. The plugin uses esc_html() to escape the value, but esc_html() only encodes HTML entities and does not prevent attribute injection when the value is used as an HTML tag name in a sprintf() call. An attacker can inject event handler attributes via spaces in the wrapper value. This makes it possible for authenticated attackers, with administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Since it is also possible for administrators to make this functionality available to lower-privileged users, this introduces the possibility of abuse by contributors.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in PublishPress Post Expirator post-expirator allows DOM-Based XSS.This issue affects Post Expirator: from n/a through <= 4.9.4.

Missing Authorization vulnerability in PublishPress PublishPress Capabilities capability-manager-enhanced allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects PublishPress Capabilities: from n/a through <= 2.31.0.

Missing Authorization vulnerability in PublishPress PublishPress Authors publishpress-authors allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects PublishPress Authors: from n/a through <= 4.10.1.

Cross-Site Request Forgery (CSRF) vulnerability in PublishPress PublishPress Revisions revisionary allows Cross Site Request Forgery.This issue affects PublishPress Revisions: from n/a through <= 3.7.22.

The Schedule Post Changes With PublishPress Future plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.9.3. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with Contributor-level access and above, to create, update, delete, and publish malicious workflows that may automatically delete any post upon publication or update, including posts created by administrators.

Missing Authorization vulnerability in PublishPress Post Expirator post-expirator allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Post Expirator: from n/a through <= 4.9.3.

The Schedule Post Changes With PublishPress Future: Unpublish, Delete, Change Status, Trash, Change Categories plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the getAuthors function in all versions up to, and including, 4.9.2. This makes it possible for authenticated attackers, with Contributor-level access and above, to retrieve emails for all users with edit_posts capability.

The Schedule Post Changes With PublishPress Future: Unpublish, Delete, Change Status, Trash, Change Categories plugin for WordPress is vulnerable to unauthorized modification of data due to a missing authorization check on the "saveFutureActionData" function in all versions up to, and including, 4.9.1. This makes it possible for authenticated attackers, with author level access and above, to change the status of arbitrary posts and pages via the REST API endpoint.

The Gutenberg Blocks – PublishPress Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Marker Title' and 'Marker Description' parameters for the Maps block in versions up to, and including, 3.3.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with contributor-level access and above to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.