CVE-2017-15878: keystonejs keystone Cross-site Scripting
CVSS: 6.1v3.0MediumModified
AliasesGHSA-7qcx-jmrc-h2rr
Published 24-10-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-15878 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in keystonejs keystone. EPSS estimates a 3.42% chance of exploitation in the next 30 days, higher than 88.7% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
6.1/10
010
Medium · v3.0 (NVD)EPSS score
3.42%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference, exploit-database
Timeline
- 24-10-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A cross-site scripting (XSS) vulnerability exists in fields/types/markdown/MarkdownType.js in KeystoneJS before 4.0.0-beta.7 via the Contact Us feature.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- OSV · NpmEcosystem advisory · calculated6.1MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
3.42%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
0.00 pp
From 3.42% on 19-09-2026
19-09-202619-10-2026
EPSS score3.42%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (packetstormsecurity.com)
Maturity: unknown
KeystoneJS 4.0.0-beta.5 - Cross-Site Scripting
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Keystonejs1 product
- keystone< 4.0.0
Npm1 product
- keystone< 4.0.0
2 vendors · 2 products
References
12 links- github.com/keystonejs/keystone/pull/4478X Refsource CONFIRMIssue TrackingPatchThird Party AdvisoryWEB
- www.exploit-db.com/exploits/43054/ExploitX Refsource EXPLOIT DBIssue TrackingPatchThird Party AdvisoryVDB Entry
- blog.securelayer7.net/keystonejs-open-source-penetration-testing-report/X Refsource MISCIssue TrackingThird Party Advisory
- packetstormsecurity.com/files/…X Refsource MISCExploitIssue TrackingPatchThird Party AdvisoryVDB EntryWEB