TL;DR: Earlier this summer the SCA configured their Neon CRM membership portal to show registered users their member number. I discovered a vulnerability in Neon One’s software that allowed technically-savvy users to use that capability to change their member number to any value they desired.
After this was reported, the link to the vulnerable screen was removed, but the screen still exists and the vulnerability in the underlying Neon CRM software appears to remain unpatched.
In February the SCA completed the migration of its membership data from an aging legacy system (“Members Only”) to a new platform hosted by Neon One. Their Neon CRM service now appears to function as the system of record for the Society’s member records, including modern names, addresses, and payment information, as well as SCA-specific data such as Society name, kingdom, and member number.
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