Magecart Hackers Use Google Tag Manager for Credit Card Skimming Attacks

Severity: High (Score: 64.5)

Sources: Cybersecuritynews, Gbhackers

Summary

Magecart attackers are exploiting Google Tag Manager (GTM) to stealthily inject credit card skimmers into ecommerce websites. This method leverages GTM's trusted status, making it difficult for site owners to detect malicious scripts. Online shoppers are particularly vulnerable as these skimmers can capture payment information without raising alarms. The attacks have been confirmed to affect multiple ecommerce platforms, although specific numbers of compromised sites have not been disclosed. Security experts warn that this trend could lead to a significant increase in digital theft incidents. The current status indicates ongoing exploitation, with no immediate resolution or patch available. Organizations are advised to review their GTM configurations and monitor for unusual activity. Key Points: • Magecart hackers are exploiting Google Tag Manager to inject credit card skimmers. • The use of GTM makes detection of these attacks significantly harder for site owners. • Online shoppers are at increased risk of digital theft due to these stealthy skimming methods.

Key Entities

• Malware (attack_type)
• CWE-200 - Exposure of Sensitive Information (cwe)
• googletagmanager.com (domain)
• T1195 - Supply Chain Compromise (mitre_attack)
• Google Tag Manager (tool)