Scworld Wikimedia Foundation Targeted by Self-Propagating JavaScript Worm
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The Wikimedia Foundation faced a security incident on March 5, 2026, when a self-propagating JavaScript worm began vandalizing pages and modifying user scripts across multiple wikis, including Wikipedia. The attack originated from a malicious script hosted on Russian Wikipedia, prompting Wikimedia engineers to temporarily restrict editing while they investigated and reverted the changes.
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Timeline
2026-03-05
JavaScript worm attack initiated, vandalizing multiple wikis
2026-03-05
Editors reported the incident on Wikipedia's Village Pump
2026-03-05
Wikimedia engineers restricted editing across projects
2026-03-06
Scworld published coverage of the incident
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