Helpy version 2.8.0 allows an unauthenticated remote attacker to exploit an XSS stored in the application. This is possible because the application does not correctly validate the attachments sent by customers in the ticket.
Helpy 2.8.0 - Stored XSS in post author display via PostsHelper
Published 2026-04-29 · Analyzed
5.4EPSS 0.003
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