Home/CVE/Improper Neutralization of Equivalent Special Elements in GitHub repository btcpayserver/btcpayserver prior to 1.7.5.
CVE

CVE-2023-0493

Improper Neutralization of Equivalent Special Elements in GitHub repository btcpayserver/btcpayserver prior to 1.7.5.

Improper Neutralization of Equivalent Special Elements in GitHub repository btcpayserver/btcpayserver prior to 1.7.5.

MEDIUM · CVSS 5.3 EPSS 0.0999
Schedule remediation
  • EPSS percentile: top 7% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-76Improper Neutralization of Equivalent Special Elements
▤

Affected Products & Versions

1
btcpayserver btcpay server< 1.7.5
⚠

Public Exploits & PoCs

3
webappsBTCPay Server v1.7.4 - HTML Injectionverified
pocpacketstormsecurity.com · BTCPay-Server-1.7.4-HTML-Injection.htmlpacketstormsecurity.com
pochuntr.dev · 3a73b45c-6f3e-4536-a327-cdfdbc59896fhuntr.dev
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · security@huntr.dev
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Jan 2023 · 11:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/btcpayserver/btcpayserver/pull/4545/commits/02070d65836cd24627929b3403efbae8de56039aPatch
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