express: cross-site scripting via content-type header
Published Aug 9, 2017
6.1
MEDIUMCVSS 3.0
EPSS 1.14%
Description
The Express web framework before 3.11 and 4.x before 4.5 for Node.js does not provide a charset field in HTTP Content-Type headers in 400 level responses, which might allow remote attackers to conduct cross-site scripting (XSS) attacks via characters in a non-standard encoding.
Affected products
No data.
- ≤ 3.10.5
- 4.0.0
- 4.1.0
- 4.1.1
- 4.1.2
- 4.2.0
- 4.3.0
- 4.3.1
- 4.3.2
- 4.4.0
- 4.4.1
- 4.4.2
- 4.4.3
- 4.4.4
- 4.4.5
No data.
Red Hat OpenShift Enterprise 2
nodejs010-nodejs-express
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat OpenShift Enterprise 2 | nodejs010-nodejs-express | Will not fix | n/a |
express
npm
Introduced 0 Fixed 3.11.0express
npm
Introduced 4.0.0 Fixed 4.5.0
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| npm | express | 0 | 3.11.0 |
| npm | express | 4.0.0 | 4.5.0 |
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.14% (0.01135) | 65.33th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.14% (0.01135) | 62.20th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.31% (0.00314) | 52.28th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.07% (0.00071) | 33.00th | v3 (v2023.03.01) |
| May 22, 2024 | 0.07% (0.00071) | 30.59th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00070) | 28.57th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
References (7)
- https://access.redhat.com/security/cve/CVE-2014-6393 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1203190 x_refsource_CONFIRMIssue TrackingThird Party AdvisoryVDB Entry
- https://github.com/advisories/GHSA-gpvr-g6gh-9mc2 Advisory
- https://nodesecurity.io/advisories/express-no-charset-in-content-type-header x_refsource_CONFIRMThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2014-6393
- https://www.cve.org/CVERecord?id=CVE-2014-6393
- https://www.npmjs.com/advisories/8
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2014-6393 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1203190 | x_refsource_CONFIRMIssue TrackingThird Party AdvisoryVDB Entry | |
| https://github.com/advisories/GHSA-gpvr-g6gh-9mc2 | Advisory | |
| https://nodesecurity.io/advisories/express-no-charset-in-content-type-header | x_refsource_CONFIRMThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-6393 | ||
| https://www.cve.org/CVERecord?id=CVE-2014-6393 | ||
| https://www.npmjs.com/advisories/8 |
Change history (0)
No recorded changes yet.