Privacy Possum breaks logins on many sites
The add-on stops logins on many sites, including shopping, gaming, art and social sites, until it is disabled.
Tier I · Proven The best-established problems.
7 public reports · first reported 26 September 2018 · last reported 6 February 2026
What's going wrong
Firefox users of the Privacy Possum add-on report that enabling it prevents them from signing in to a range of websites, including gaming storefronts, art portfolios, professional networks, marketplaces and shopping sites.
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 7 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.