CVE-2023-42362Public exploitNetwork attack vector

Admin session hijacking via unrestricted file upload

Published Sep 14, 2023 · Updated Sep 25, 2024

Stored XSS in NCR Teller Web App 4.4.0 allows remote authenticated users to hijack an administrator session through a malicious upload. The upload function accepts JavaScript-bearing files without adequate input validation, allowing stored script content to access the administrator session held in local storage. Exploitation requires upload access and an administrator to view the stored content, after which the attacker gains administrative access.

CVSS severity5.4
Medium
EPSS probability0.73%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in NCR Teller Web App 4.4.0 allows remote authenticated users to hijack an administrator session through a malicious upload. The upload function accepts JavaScript-bearing files without adequate input validation, allowing stored script content to access the administrator session held in local storage. Exploitation requires upload access and an administrator to view the stored content, after which the attacker gains administrative access.

The record

CVE
CVE-2023-42362
Published
Sep 14, 2023
Updated
Sep 25, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1539
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 14, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 25, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A: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.

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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')
T1539Steal Web Session Cookie

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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