The WP-Syntax WordPress plugin through 1.2 does not properly handle input, allowing an attacker to create a post containing a large number of tags, thereby exploiting a catastrophic backtracking issue in the regular expression processing to cause a DoS.
The Connections Business Directory WordPress plugin before 10.4.3 does not escape the Address settings when creating an Entry, which could allow high privilege users to perform Cross-Site Scripting when the unfiltered_html capability is disallowed.
The Connections Business Directory WordPress plugin before 9.7 does not validate or sanitise some connections' fields, which could lead to a CSV injection issue