Openfind's Mail2000 does not properly validate email atachments, allowing unauthenticated remote attackers to inject JavaScript code within the attachment and perform Stored Cross-site scripting attacks.
https://www.twcert.org.tw/tw/cp-132-7938-d9c97-1.html
https://www.twcert.org.tw/en/cp-139-7939-3423f-2.html
https://www.openfind.com.tw/taiwan/download/Openfind_OF-ISAC-24-007.pdf