CVE-2021-3961 json
Cross-site Scripting (XSS) - Stored in snipe/snipe-it
published 2021-11-19 4 y ago modified 2026-06-17 4 mo ago also GHSA-c65v-p733-9796 , EUVD-2021-2332
- cvss
- 8.0
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 55%
- public exploits
- 0
- none known
Summary
snipe-it is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Patch / fix
- packagist snipe/snipe-it 5.3.2
- snipe snipe/snipe-it 5.3.2
Exploit prediction
0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- huntr.dev https://huntr.dev/bounties/5987aed5-6613-4937-8a3e-d48009b7da10 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 8.0 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
| GitHub | 3.0 | 8.0 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | snipe/snipe-it | <5.3.2 |
5.3.2 |
Affected products
- snipe snipe/snipe-it
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/snipe/snipe-it/commit/7ce5993f5ae9d713a0955c2fd8e2dff7a7ce886e
web, patch, third-party-advisory
-
huntr.dev
/bounties/5987aed5-6613-4937-8a3e-d48009b7da10
web, exploit, issue-tracking, patch, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-3961
advisory
Sources
- CVE List CVE-2021-3961
- GitHub Advisory GHSA-c65v-p733-9796
- NVD CVE-2021-3961
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.