CVE-2021-4018

lowpriority · track · 22EPSS 0.007 · 51 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.66% (51st) EPSS

CVSS 3.5 · low

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

snipe-it is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

cvss

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

6.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–6.3

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.06.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:Lsecondary · ENISA EU

v3.06.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:Lsecondary · security@huntr.devexploitability 2.8 · impact 3.4

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

affected products (3)

Products and version ranges known to be affected.

snipe snipe/snipe-itunspecified → 5.3.3enisa_euvdEU
snipeitapp snipe-it< 5.3.3nvdUScpe:2.3:a:snipeitapp:snipe-it:*:*:*:*:*:*:*:*
Packagist snipe/snipe-it< 5.3.3osvUSpkg:composer/snipe/snipe-it

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-5fh3-25xr-g85hsnipe-it is vulnerable to Cross-site Scripting2021-12-03ghsa · osvUS
snipe-it is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2021-12-01modified 2026-06-17

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+53006 more

references (8)

External citations — patches, advisories, analysis.

scry

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