Staging Environment: Content and features may be unstable or change without notice.
Search for vulnerabilities
Vulnerability details: VCID-sx4p-2hvz-eue4
Vulnerability ID VCID-sx4p-2hvz-eue4
Aliases CVE-2021-4018
GHSA-5fh3-25xr-g85h
Summary snipe-it is vulnerable to Cross-site Scripting
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00225 https://api.first.org/data/v1/epss?cve=CVE-2021-4018
epss 0.00225 https://api.first.org/data/v1/epss?cve=CVE-2021-4018
epss 0.00225 https://api.first.org/data/v1/epss?cve=CVE-2021-4018
epss 0.00225 https://api.first.org/data/v1/epss?cve=CVE-2021-4018
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-5fh3-25xr-g85h
cvssv3.1 5.4 https://github.com/snipe/snipe-it
generic_textual MODERATE https://github.com/snipe/snipe-it
cvssv3.1 5.4 https://github.com/snipe/snipe-it/commit/ff81e6d5366c2cfb15618793ad919ae4cbb3ac57
generic_textual MODERATE https://github.com/snipe/snipe-it/commit/ff81e6d5366c2cfb15618793ad919ae4cbb3ac57
cvssv3.1 5.4 https://github.com/snipe/snipe-it/releases/tag/v5.3.3
generic_textual MODERATE https://github.com/snipe/snipe-it/releases/tag/v5.3.3
cvssv3.1 5.4 https://huntr.dev/bounties/c14395f6-bf0d-4b06-b4d1-b509d8a99b54
generic_textual MODERATE https://huntr.dev/bounties/c14395f6-bf0d-4b06-b4d1-b509d8a99b54
cvssv3.1 5.4 https://nvd.nist.gov/vuln/detail/CVE-2021-4018
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2021-4018
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-4018
https://github.com/snipe/snipe-it
https://github.com/snipe/snipe-it/commit/ff81e6d5366c2cfb15618793ad919ae4cbb3ac57
https://github.com/snipe/snipe-it/releases/tag/v5.3.3
https://huntr.dev/bounties/c14395f6-bf0d-4b06-b4d1-b509d8a99b54
CVE-2021-4018 https://nvd.nist.gov/vuln/detail/CVE-2021-4018
GHSA-5fh3-25xr-g85h https://github.com/advisories/GHSA-5fh3-25xr-g85h
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/snipe/snipe-it
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/snipe/snipe-it/commit/ff81e6d5366c2cfb15618793ad919ae4cbb3ac57
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://github.com/snipe/snipe-it/releases/tag/v5.3.3
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://huntr.dev/bounties/c14395f6-bf0d-4b06-b4d1-b509d8a99b54
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-4018
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.45346
EPSS Score 0.00225
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T20:27:14.019927+00:00 GHSA Importer Import https://github.com/advisories/GHSA-5fh3-25xr-g85h 38.6.0