Vulnerability · Published Feb 1, 2026 · Assigned by VulnCheck
CVE-2021-47885Payment Terminal Multiple Versions Non-Persistent Cross-Site Scripting
Medium 6.4
In plain English
A medium-severity cross-site scripting in Payment Terminal from Authorize.net. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).
Severity (CVSS 3.1)6.4Medium
Exploit odds (30 days)0.3%top 79.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| CriticalGears | PayPal PRO Payment Terminal | 3.1 |
| CriticalGears | Stripe Payment Terminal | 2.2.1 |
| Authorize.net | Payment Terminal | 2.4.1 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
References
- Vulnerability Lab Advisory exploit
- Product Homepage product
- Product Homepage product
- Product Homepage product
- VulnCheck Advisory: Payment Terminal Multiple Versions Non-Persistent Cross-Site Scripting third-party-advisory