CVE-2020-25900: Hellotalk

Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days.

HelloTalk through 3.4.1 stores full-precision GPS coordinates even when the user had intended to share only a country or city. Furthermore, these coordinates are placed into a database on the client of other users. (The client side was changed in 2019 to encrypt that database.)

Affected products

• Hellotalk Hellotalk: up to and including 3.4.1

Published 2026-06-05. Last modified 2026-06-17.