methodOverride Middleware Reflected Cross-Site Scripting in connect
Connect is a stack of middleware that is executed in order in each request.
The "methodOverride" middleware allows the http post to override the method of the request with the value of the "_method" post key or with the header "x-http-method-override".
Because the user post input was not checked, req.method could contain any kind of value. Because the req.method did not match any common method VERB, connect answered with a 404 page containing the "Cannot [method] [url]" content. The method was not properly encoded for output in the browser.
###Example:
~ curl "localhost:3000" -d "_method=<script src=http://nodesecurity.io/xss.js></script>"
Cannot <SCRIPT SRC=HTTP://NODESECURITY.IO/XSS.JS></SCRIPT> /Recommendation
Update to the newest version of Connect or disable methodOverride. It is not possible to avoid the vulnerability if you have enabled this middleware in the top of your stack.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | connect | < 2.8.1 | 2.8.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2013-7370
- https://github.com/senchalabs/connect/issues/831
- https://github.com/senchalabs/connect/commit/126187c4e12162e231b87350740045e5bb06e93a
- https://github.com/senchalabs/connect/commit/277e5aad6a95d00f55571a9a0e11f2fa190d8135
- https://access.redhat.com/security/cve/cve-2013-7370
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-7370
- https://bugzilla.suse.com/show_bug.cgi?id=CVE-2013-7370
- https://security-tracker.debian.org/tracker/CVE-2013-7370
- https://www.npmjs.com/advisories/3
- http://www.openwall.com/lists/oss-security/2014/04/21/2
- http://www.openwall.com/lists/oss-security/2014/05/13/1
- Weakness (CWE)
CWE-79- Platform
- npm
- Package
connect- Disclosed
- 31.08.2020
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-3fw8-66wf-pr7m - CC BY 4.0
Vulnerability history: connect
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 3
- First → latest
- 07.2018 05.2022
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Medium 2
- Low 1
Disclosures per year
- 2018: 1
- 2019: 0
- 2020: 1
- 2021: 0
- 2022: 1
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
-
methodOverride Middleware Reflected Cross-Site Scripting in connect this entry
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