First-order effects

• Merchants that deployed Content Security Policy as their primary anti-skimming defense lose that control's value wherever the Google Analytics API sits on their allowlist, since attackers can now route stolen payment data through a domain every store already trusts.
• Security teams at online retailers face immediate re-audit work: any third-party script whitelisted on a checkout page is now a potential exfiltration channel, not just a functional dependency.

Second-order effects

• Google comes under pressure to police how its own measurement API is weaponized, echoing its later downplaying of malware that abused an undocumented Chrome API for token theft — platform owners increasingly cast as unwilling accomplices in browser-based attacks.
• The breach economics favor groups like Keeper, which had already hit at least 570 e-commerce portals by mid-2020 with Magento sites as the dominant victims; a CSP bypass lowers the cost of scaling card-skimming across those same soft targets.

Third-order effects

• If attackers keep laundering theft through whitelisted first-party-adjacent services, the industry drifts away from domain-allowlist security models entirely, toward integrity-checked scripts and hardware-bound payment fields on checkout pages.
• Stolen card data feeds a maturing monetization pipeline downstream, as later investigations show phished card numbers being converted into mobile wallets for online and in-store spending — meaning each skimmed checkout now has a ready cash-out path.