CVE-2021-47885Public exploitNetwork attack vector

Session compromise via reflected payment-field scripts

Published Feb 1, 2026 · Updated Feb 1, 2026

Reflected XSS in three CriticalGears Payment Terminal products allows remote authenticated users to execute scripts in users' browsers. Billing and payment fields reflect submitted script code without neutralizing it before browser rendering. Low-privileged access and a victim's display of the crafted response are required; exploitation enables session hijacking or phishing.

CVSS severity5.1
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in three CriticalGears Payment Terminal products allows remote authenticated users to execute scripts in users' browsers. Billing and payment fields reflect submitted script code without neutralizing it before browser rendering. Low-privileged access and a victim's display of the crafted response are required; exploitation enables session hijacking or phishing.

The record

CVE
CVE-2021-47885
Published
Feb 1, 2026
Updated
Feb 1, 2026
Vendor
Authorize.net
Product
Authorize.net Payment Terminal
Classifications
CWE-79, T1189
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 1, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 1, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.4.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Authorize.net · Authorize.net Payment Terminalversion=2.4.1
Authorize.net · Stripe Payment Terminalversion=2.2.1
Authorize.net · PayPal PRO Payment Terminalversion=3.1

Published CVSS scores

6.4VulnCheckCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
5.1VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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