MEDIUM
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
Published Oct 24, 2017
6.1
MEDIUMCVSS 3.0
EPSS 3.42%
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.
Affected products
No data.
- < 4.0.0
No data.
No Red Hat product state for this CVE.
keystone
npm
Introduced 0 Fixed 4.0.0
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | keystone | 0 | 4.0.0 |
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
6.1 MEDIUM NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Impact Low
Integrity Impact Low
Availability Impact None
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.42% 0.03415
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.03415
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.42% (0.03415) | 88.50th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.42% (0.03415) | 87.30th | v5 (v2026.06.15) |
| Apr 11, 2025 | 3.60% (0.03604) | 86.75th | v4 (v2025.03.14) |
| Mar 30, 2025 | 4.81% (0.04814) | 88.49th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.97% (0.02975) | 77.50th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.81% (0.04814) | 88.76th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.34% (0.00344) | 72.44th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.34% (0.00344) | 70.79th | v3 (v2023.03.01) |
| May 8, 2023 | 0.34% (0.00344) | 67.25th | v3 (v2023.03.01) |
| Mar 17, 2023 | 0.39% (0.00391) | 69.16th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.41% (0.00407) | 69.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02173) | 80.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02173) | 79.06th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02173) | 57.83th | v2 (v2022.01.01) |
| Feb 3, 2022 | 5.36% (0.05363) | 79.74th | v1 |
| Jan 6, 2022 | 5.36% (0.05363) | 79.54th | v1 |
| Sep 1, 2021 | 5.36% (0.05363) | 88.35th | v1 |
| Apr 14, 2021 | 5.36% (0.05363) | 0.00th | v1 |
Weaknesses (1)
References (9)
- http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report/ x_refsource_MISCIssue TrackingThird Party Advisory
- http://www.securityfocus.com/bid/101541 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://github.com/advisories/GHSA-7qcx-jmrc-h2rr Advisory
- https://github.com/keystonejs/keystone/pull/4478 x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-15878
- https://packetstormsecurity.com/files/144756/KeystoneJS-4.0.0-beta.5-Unauthenticated-Stored-Cross-Site-Scripting.html x_refsource_MISCExploitIssue TrackingPatchThird Party AdvisoryVDB Entry
- https://securelayer7.net/download/pdf/KeystoneJS-Pentest-Report-SecureLayer7.pdf
- https://www.exploit-db.com/exploits/43054/ exploitx_refsource_EXPLOIT-DBIssue TrackingPatchThird Party AdvisoryVDB Entry
- https://www.npmjs.com/advisories/980
| Link | Providers | Tags |
|---|---|---|
| http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report/ | x_refsource_MISCIssue TrackingThird Party Advisory | |
| http://www.securityfocus.com/bid/101541 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://github.com/advisories/GHSA-7qcx-jmrc-h2rr | Advisory | |
| https://github.com/keystonejs/keystone/pull/4478 | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-15878 | ||
| https://packetstormsecurity.com/files/144756/KeystoneJS-4.0.0-beta.5-Unauthenticated-Stored-Cross-Site-Scripting.html | x_refsource_MISCExploitIssue TrackingPatchThird Party AdvisoryVDB Entry | |
| https://securelayer7.net/download/pdf/KeystoneJS-Pentest-Report-SecureLayer7.pdf | ||
| https://www.exploit-db.com/exploits/43054/ | exploitx_refsource_EXPLOIT-DBIssue TrackingPatchThird Party AdvisoryVDB Entry | |
| https://www.npmjs.com/advisories/980 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 24, 2017
Updated Aug 5, 2024
Reserved Oct 24, 2017
Link CVE-2017-15878
CISA Vulnrichment
GHSA-7QCX-JMRC-H2RR Updated n/a