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Evershop CVE-2023-46943

CRITICAL
Use of Hard-coded Credentials (CWE-798)
2024-01-13 cve@mitre.org
9.1
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A07:2025 - Authentication Failures
ASVS 5.0
V6 - Authentication Credential externalization
MITRE ATT&CK

2 techniques across 2 tactics: Persistence, Credential Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 9.1 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.09%.

Exploit ScenarioDerived

A remote attacker could gain access using credentials embedded in source code by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.
Patch available 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

An issue was discovered in NPM's package @evershop/evershop before version 1.0.0-rc.8. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Use of Hard-coded Credentials vulnerability could allow attackers to gain access using credentials embedded in source code.

Earlier versions of this analysis (1)
v1 Mar 28, 2026 - 19:34 CVSS 9.1

Hardcoded HMAC key in EverShop.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Remove hard-coded credentials, use environment variables or secrets management, rotate exposed credentials immediately.

Affected Packages

npm @evershop/evershop fix: 1.0.0-rc.9

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in npm

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Use of Hard-coded Credentials (CWE-798), which allows attackers to gain access using credentials embedded in source code. An issue was discovered in NPM's package @evershop/evershop before version 1.0.0-rc.8. The HMAC secret used for generating tokens is hardcoded as "secret". A weak HMAC secret poses a risk because attackers can use the predictable secret to create valid JSON Web Tokens (JWTs), allowing them access to important information and actions within the application. Affected products include: Evershop. Version information: version 1.0.0.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.1 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

2
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
CVE Published
Jan 13, 2024 - 02:15 nvd
CRITICAL 9.1

DescriptionCVE.org

An issue was discovered in NPM's package @evershop/evershop before version 1.0.0-rc.8. The HMAC secret used for generating tokens is hardcoded as "secret". A weak HMAC secret poses a risk because attackers can use the predictable secret to create valid JSON Web Tokens (JWTs), allowing them access to important information and actions within the application.

Executive ViewAI

Why It Matters

CVE-2023-46943 presents critical security risk, a hard-coded credentials vulnerability rated CVSS 9.1. Successful exploitation could allow attackers to execute arbitrary code or commands on affected systems, potentially leading to full system compromise. Organizations should apply vendor updates immediately when available and implement compensating controls in the interim.

Business Impact: Severe
Compensating Controls

Apply vendor patch. If immediate patching is not feasible: (1) Implement network-level access controls; (2) Enable MFA where possible; (3) Monitor authentication logs for anomalous access.

Threat Intelligence Overview

EPSS Score
0.1%
Top 75% exploitable
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity CRITICAL
CISA KEV No
Public POC No
EPSS 0.1%
Patch available Yes
Active threat No
Deciding rule
CRITICAL severity
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Out-of-Cycle
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
Yes
Human Impact
Very High

Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +46
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:a:evershop:evershop:1.0.0:beta:*:*:*:node.js:*:*
cpe:2.3:a:evershop:evershop:1.0.0:beta1:*:*:*:node.js:*:*
cpe:2.3:a:evershop:evershop:1.0.0:beta2:*:*:*:node.js:*:*
cpe:2.3:a:evershop:evershop:1.0.0:beta3:*:*:*:node.js:*:*
cpe:2.3:a:evershop:evershop:1.0.0:beta4:*:*:*:node.js:*:*
cpe:2.3:a:evershop:evershop:1.0.0:beta5:*:*:*:node.js:*:*
cpe:2.3:a:evershop:evershop:1.0.0:rc1:*:*:*:node.js:*:*
cpe:2.3:a:evershop:evershop:1.0.0:rc2:*:*:*:node.js:*:*
cpe:2.3:a:evershop:evershop:1.0.0:rc3:*:*:*:node.js:*:*
cpe:2.3:a:evershop:evershop:1.0.0:rc5:*:*:*:node.js:*:*
cpe:2.3:a:evershop:evershop:1.0.0:rc6:*:*:*:node.js:*:*
cpe:2.3:a:evershop:evershop:1.0.0:rc7:*:*:*:node.js:*:*
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CVE-2023-46499 MEDIUM
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