Malware3 min read
Wikipedia Hit by Self-Propagating JavaScript Worm
A dormant JavaScript worm activated during a security review vandalized 4,000 Wikipedia pages in 23 minutes. Here's what happened and why it matters.
James RiveraMar 7, 2026
Wikimedia
2 articles tagged with "Wikimedia"
Malware3 min read
Wikipedia Hit by Self-Propagating JavaScript Worm
A dormant JavaScript worm activated during a Wikimedia security review modified 4,000 pages and infected 85 user scripts in 23 minutes before containment.
James RiveraMar 7, 2026