GHSA-WG4W-WR5Q-6VJC Pheditor: Incomplete command sanitization in terminal feature allows RCE via pipe operator, backtick substitution, and newline injection

Summary The terminal feature in Pheditor uses an incomplete character blocklist to sanitize user-supplied commands before passing them to shellexec. After the fix for GHSA-9643-6xjp-vx57 which added $ to the blocklist, the characters | single pipe, backtick, and the newline byte 0x0A remain...