CVE-2023-0493 : Improper Neutralization of Equivalent Special Elements in GitHub repository btcp

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

Published 2023-01-26 23:15:16

Updated 2023-10-31 16:03:55

Source huntr.dev

View at NVD, CVE.org

Products affected by CVE-2023-0493

Btcpayserver » Btcpay Server
Versions before (<) 1.7.5
cpe:2.3:a:btcpayserver:btcpay_server:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

1.26%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 78 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.3	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	3.9	1.4	huntr.dev
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: Low
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
5.3	MEDIUM	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	3.9	1.4	huntr.dev
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: Low

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

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

Assigned by: nvd@nist.gov (Primary)
CWE-76 Improper Neutralization of Equivalent Special Elements

The product correctly neutralizes certain special elements, but it improperly neutralizes equivalent special elements.

Assigned by: security@huntr.dev (Secondary)

https://github.com/btcpayserver/btcpayserver/commit/02070d65836cd24627929b3403efbae8de56039a

Fix several HTML injections · btcpayserver/btcpayserver@02070d6 · GitHub
Patch;Third Party Advisory
https://github.com/btcpayserver/btcpayserver/pull/4545/commits/02070d65836cd24627929b3403efbae8de56039a

Fix several HTML injections by NicolasDorier · Pull Request #4545 · btcpayserver/btcpayserver · GitHub
Patch
http://packetstormsecurity.com/files/171732/BTCPay-Server-1.7.4-HTML-Injection.html

BTCPay Server 1.7.4 HTML Injection ≈ Packet Storm
Third Party Advisory;VDB Entry
https://huntr.dev/bounties/3a73b45c-6f3e-4536-a327-cdfdbc59896f

Stored HTML Injection vulnerability found in btcpayserver
Exploit;Patch;Third Party Advisory

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