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    CVE-2023-0493

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

    Published:Jan 26, 2023
    Last Modified:Mar 31, 2025
    EPS:Jan 26, 2023
    EPSS Score:0.01092
    CVSS Score:5.3

    Affected Products

    Vendor
    Btcpayserver
    Product
    Btcpay Server

    Exploits

    https://huntr.dev/bounties/3a73b45c-6f3e-4536-a327-cdfdbc59896fhttps://huntr.dev/bounties/3a73b45c-6f3e-4536-a327-cdfdbc59896fhttps://www.exploit-db.com/exploits/51254

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-10 Buffer Overflow via Environment Variables
    CAPEC-101 Server Side Include (SSI) Injection
    CAPEC-105 HTTP Request Splitting
    CAPEC-108 Command Line Execution through SQL Injection
    CAPEC-120 Double Encoding
    CAPEC-13 Subverting Environment Variable Values
    CAPEC-135 Format String Injection
    CAPEC-14 Client-side Injection-induced Buffer Overflow
    CAPEC-24 Filter Failure through Buffer Overflow
    CAPEC-250 XML Injection
    CAPEC-267 Leverage Alternate Encoding
    CAPEC-273 HTTP Response Smuggling
    CAPEC-28 Fuzzing
    CAPEC-3 Using Leading 'Ghost' Character Sequences to Bypass Input Filters
    CAPEC-34 HTTP Response Splitting
    CAPEC-42 MIME Conversion
    CAPEC-43 Exploiting Multiple Input Interpretation Layers
    CAPEC-45 Buffer Overflow via Symbolic Links
    CAPEC-46 Overflow Variables and Tags
    CAPEC-47 Buffer Overflow via Parameter Expansion
    CAPEC-51 Poison Web Service Registry
    CAPEC-52 Embedding NULL Bytes
    CAPEC-53 Postfix, Null Terminate, and Backslash
    CAPEC-6 Argument Injection
    CAPEC-64 Using Slashes and URL Encoding Combined to Bypass Validation Logic
    CAPEC-67 String Format Overflow in syslog()
    CAPEC-7 Blind SQL Injection
    CAPEC-71 Using Unicode Encoding to Bypass Validation Logic
    CAPEC-72 URL Encoding
    CAPEC-76 Manipulating Web Input to File System Calls
    CAPEC-78 Using Escaped Slashes in Alternate Encoding
    CAPEC-79 Using Slashes in Alternate Encoding
    CAPEC-8 Buffer Overflow in an API Call
    CAPEC-80 Using UTF-8 Encoding to Bypass Validation Logic
    CAPEC-83 XPath Injection
    CAPEC-84 XQuery Injection
    CAPEC-9 Buffer Overflow in Local Command-Line Utilities

    Related CVEs

    CVE-2023-1149 (CVSS 5.4) — Improper Neutralization of Equivalent Special Elements in GitHub repository btcpayserver/btcpayserver prior to…
    CVE-2023-0879 (CVSS 6.3) — Cross-site Scripting (XSS) - Stored in GitHub repository btcpayserver/btcpayserver prior to 1.7.12. …
    CVE-2022-32984 (CVSS 7.5) — BTCPay Server 1.3.0 through 1.5.3 allows a remote attacker to obtain sensitive information when a public Point…
    CVE-2021-3830 (CVSS 5.4) — btcpayserver is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripti…
    CVE-2021-3646 (CVSS 6.1) — btcpayserver is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripti…
    CVE-2021-29250 (CVSS 5.4) — BTCPay Server through 1.0.7.0 suffers from a Stored Cross Site Scripting (XSS) vulnerability within the POS Ad…
    CVE-2021-29248 (CVSS 5.3) — BTCPay Server through 1.0.7.0 could allow a remote attacker to obtain sensitive information, caused by failure…
    CVE-2021-29247 (CVSS 5.3) — BTCPay Server through 1.0.7.0 could allow a remote attacker to obtain sensitive information, caused by failure…
    CVE-2021-29246 (CVSS 6.7) — BTCPay Server through 1.0.7.0 suffers from directory traversal, which allows an attacker with admin privileges…
    CVE-2021-29245 (CVSS 5.3) — BTCPay Server through 1.0.7.0 uses a weak method Next to produce pseudo-random values to generate a legacy API…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High