The WP Colorful Tag Cloud plugin for WordPress, versions up to 2.0.1, contains a reflected cross-site scripting vulnerability due to improper input neutralization during web page generation. This allows attackers to inject malicious scripts that execute in users' browsers when they interact with crafted URLs or inputs. The vulnerability is tracked as CVE-2025-28865 with a CVSS 3.1 base score of 7.1, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability. No patch or official remediation guidance is currently documented.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the victim's browser, potentially leading to theft of user credentials, session hijacking, or other malicious actions impacting confidentiality, integrity, and availability of user data. The CVSS score of 7.1 indicates a high impact, but no known exploits have been reported to date.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider disabling or removing the WP Colorful Tag Cloud plugin if feasible. Additionally, applying web application firewall (WAF) rules to detect and block reflected XSS attempts may provide temporary mitigation.