The RSV PDF Preview plugin (version <= 1.0) by Ravi Kumar Vanukuru contains a stored cross-site scripting vulnerability due to improper input neutralization during web page generation. This flaw allows attackers with at least low privileges and requiring user interaction to inject malicious scripts that can execute in other users' browsers within the same security context. The vulnerability has a CVSS 3.1 base score of 6.5, reflecting network attack vector, low attack complexity, required privileges, and user interaction with partial impact on confidentiality, integrity, and availability. No patch or official fix has been documented yet.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the affected application, potentially leading to partial disclosure of information, modification of data, or disruption of service. The attack requires some user interaction and privileges, limiting the ease of exploitation. There are no known active exploits reported at this time.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider limiting privileges of users who can input data into the plugin and apply web application firewall rules to detect and block XSS payloads if possible. Monitor vendor channels for updates and apply patches promptly once available.