CVE-2017-15881 json
Cross-Site Scripting in keystone
published 2017-10-24 9 y ago modified 2026-06-17 4 mo ago also GHSA-7cv6-gvx3-m54m , EUVD-2017-0345
- cvss
- 4.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 68%
- public exploits
- 0
- none known
Summary
Cross-Site Scripting vulnerability in KeystoneJS before 4.0.0-beta.7 allows remote authenticated administrators to inject arbitrary web script or HTML via the "content brief" or "content extended" field, a different vulnerability than CVE-2017-15878.
Patch / fix
Exploit prediction
1.21% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/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 | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | keystone | <4.0.0-beta7 |
4.0.0-beta7 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/keystonejs/keystone/pull/4478
web, issue-tracking, patch, third-party-advisory
-
securityfocus.com
/bid/101541
vdb-entry, web, third-party-advisory
-
blog.securelayer7.net
/keystonejs-open-source-penetration-testing-report/
issue-tracking, third-party-advisory
-
github.com
/keystonejs/keystone/issues/4437
web, issue-tracking, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2017-15881
advisory
-
github.com
/advisories/GHSA-7cv6-gvx3-m54m
advisory
-
securelayer7.net
/download/pdf/KeystoneJS-Pentest-Report-SecureLayer7.pdf
web
-
npmjs.com
/advisories/981
web
-
blog.securelayer7.net
/keystonejs-open-source-penetration-testing-report
web
Sources
- CVE List CVE-2017-15881
- GitHub Advisory GHSA-7cv6-gvx3-m54m
- NVD CVE-2017-15881
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.