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TI-2021-22499 Aliases CVE-2021-47885GHSA-xxf8-9qjj-54jj

Payment Terminal Multiple Versions Non-Persistent Cross-Site Scripting

Priority MEDIUM 56CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00278 20th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CriticalGearsPayPal PRO Payment Terminal3.1—No fix listedCNA
CriticalGearsStripe Payment Terminal2.2.1—No fix listedCNA
Authorize.netPayment Terminal2.4.1—No fix listedCNA
  • PayPal PRO Payment Terminal VendorCriticalGears Affected 3.1 Fixed in — No fix listed CNA
  • Stripe Payment Terminal VendorCriticalGears Affected 2.2.1 Fixed in — No fix listed CNA
  • Payment Terminal VendorAuthorize.net Affected 2.4.1 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-47885
  2. 2026-10-03 Alias added: GHSA-xxf8-9qjj-54jj

References

Sources