CVE-2023-0493

highpriority · attend · 48EPSS 0.079 · 95 %ileexploit · functionalEUUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · functional
Likely / severe?
7.90% (95th) EPSS
CVSS 8.8 · high
Is it mine?
3 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

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

01

cvss

Technical severity, 0–10. One row per scoring source.

8.8
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.3–8.8

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9
v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · ENISA EU
v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Lsecondary · security@huntr.devexploitability 3.9 · impact 1.4
v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV
v3.18.3highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-74USprimaryCWE-74USCWE-76USCWE-76US
04

exploits (1)

Public proof-of-concept and weaponised exploit code.

05

affected products (3)

Products and version ranges known to be affected.

06

advisories (1)

Vendor and ecosystem advisories describing this.

  • GHSA-33gv-rvgq-gpxpWithdrawn Advisory: HTML injections in BTCPayServer2023-01-27ghsa · osvUS

    ## Withdrawn Advisory This advisory has been withdrawn because all of the files affected by this vulnerability lie in the [BTCPayServer folder](https://github.com/btcpayserver/btcpayserver/tree/master/BTCPayServer), which is not in the NuGet ecosystem. The [BTCPayServer folder](https://github.com/btcpayserver/btcpayserver/tree/master/BTCPayServer.Client), corresponding to the [BTCPayServer NuGet entry](https://www.nuget.org/packages/BTCPayServer.Client), does not contain any files that were changed to fix the vulnerability. ## Original Description Improper Neutralization of Equivalent Special Elements in GitHub repository btcpayserver/btcpayserver prior to 1.7.5.

07

also known as (3)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdnvdosvNVDCVE.orgMITRE
published 2023-01-26modified 2026-06-17
10

references (12)

External citations — patches, advisories, analysis.

scry

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