A bug in Klaviyo's website may have exposed user passwords to dozens of advertisers, raising significant privacy concerns for the marketing automation platform's users. The vulnerability potentially allowed unauthorized access to sensitive account credentials.
Background
Klaviyo is a major US marketing automation platform used by thousands of e-commerce businesses for email and SMS campaigns. Security vulnerabilities in such platforms can expose sensitive customer data at scale.
- Source
- TechCrunch
- Published
- Aug 10, 2026 at 10:14 PM
- Score
- 7.0 / 10