What’s Vulnerable › Vulnerabilities

CVE-2021-47885: Payment Terminal Multiple Versions Non-Persistent Cross-Site Scripting

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-01 · updated 2026-06-17
• Weakness: CWE-79

Description

Multiple payment terminal versions contain non-persistent cross-site scripting vulnerabilities in billing and payment information input fields. Attackers can inject malicious script code through vulnerable parameters to manipulate client-side requests and potentially execute session hijacking or phishing attacks.

Affected products

• Authorize.net Payment Terminal: 2.4.1
• CriticalGears PayPal PRO Payment Terminal: 3.1
• CriticalGears Stripe Payment Terminal: 2.2.1

References

• https://www.criticalgears.com/product/authorize-net-payment-terminal/
• https://www.criticalgears.com/product/paypal-pro-payment-terminal/
• https://www.criticalgears.com/product/stripe-payment-terminal/
• https://www.vulncheck.com/advisories/payment-terminal-multiple-versions-non-persistent-cross-site-scripting
• https://www.vulnerability-lab.com/get_content.php?id=2280

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