The jp2112 Feedburner Optin Form plugin, version 0.2.8 and earlier, contains a stored XSS vulnerability due to improper input neutralization during web page generation. This flaw allows attackers with low privileges and requiring user interaction to inject malicious scripts that can impact confidentiality, integrity, and availability to a limited extent. The vulnerability is tracked as CVE-2025-23925 with a CVSS 3.1 base score of 6.5 (AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L). No patch or vendor advisory information is currently available.

Successful exploitation could allow an attacker to execute arbitrary scripts in the context of affected users' browsers, potentially leading to limited disclosure of information, modification of data, or disruption of service. The vulnerability requires low privileges and user interaction, and it affects confidentiality, integrity, and availability to a limited degree.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should consider disabling or restricting use of the Feedburner Optin Form plugin to mitigate risk. Monitor vendor channels for updates or patches addressing this vulnerability.