GhostPoster Malware Found in 17 Firefox Add-ons with 50,000+ Downloads
- Posted on December 17, 2025
- By The Hacker News
- 3 Views
GhostPoster Malware Found in 17 Firefox Add-ons with 50,000+ Downloads

GhostPoster malware hid inside 17 Firefox add-ons, abusing logo files to hijack links, inject tracking code, and run ad fraud.