CVE-2026-110384: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Heateor Support Fancy Comments WordPress

The vulnerability identified as CVE-2026-110384 affects the Fancy Comments WordPress plugin by Heateor Support. It is a reflected cross-site scripting (XSS) flaw caused by improper neutralization of input during web page generation. This allows an attacker to inject malicious scripts that execute in the victim's browser when they interact with crafted input. The affected versions are from 0 through 1.2.21 inclusive. The CVSS 3.1 base score is 7.1, indicating a high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability.

Successful exploitation of this vulnerability can lead to execution of arbitrary scripts in the context of the victim's browser. This can result in information disclosure, session hijacking, or other malicious actions impacting confidentiality, integrity, and availability of user data. The vulnerability is exploitable remotely without privileges but requires user interaction.

No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should consider disabling or removing the affected plugin to mitigate risk. Avoid interacting with untrusted inputs that may trigger the vulnerability.