This vulnerability in bannersky BSK Forms Validation (bsk-gravity-forms-custom-validation) allows reflected cross-site scripting due to improper input neutralization during web page generation. The affected versions include all versions up to 1.7. The CVSS v3.1 base score is 7.1, indicating a high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and scope changed. The impact includes partial loss of confidentiality, integrity, and availability. No patch or vendor advisory is currently available.

Successful exploitation could allow an attacker to execute arbitrary scripts in the context of the victim's browser, potentially leading to theft of sensitive information, session hijacking, or other malicious actions affecting confidentiality, integrity, and availability. The vulnerability requires user interaction and can be exploited remotely without privileges. No known exploits have been reported so far.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should consider limiting exposure by restricting access to the vulnerable plugin or disabling it if feasible. Monitor official bannersky communications for updates on patches or mitigations.