Blocker reportedly sells browsing data
The add-on collects and sells users' full browsing activity and data across all websites, which users say is hidden from them.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 28 September 2022 · last reported 8 September 2026
What's going wrong
Firefox users say this ad blocker shares browsing data with market research buyers and that its permission to access data across all websites is excessive for an ad blocker.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 3 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.