CVE-2025-54134: @haxtheweb/haxcms nodejs Denial of Service Vulnerability
HIGHCVE-2025-54134 is a HIGH denial of service vulnerability (CWE-703: Improper Check or Handling of Exceptional Conditions) affecting @haxtheweb/haxcms nodejs libraries in the npm ecosystem. The issue involves hax cms nodejs application has improper error handling that leads to denial of service. Remediation is available by upgrading affected packages to version 11.0.9.
CVE-2025-54134 at a Glance
How to Fix CVE-2025-54134
To remediate this vulnerability, upgrade all affected @haxtheweb/haxcms nodejs dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
npm install @haxtheweb/haxcms-nodejs@11.0.9Run the following command in your project directory to verify that all resolved dependencies use the patched release:
npm ls @haxtheweb/haxcms-nodejsHow to Check if You Are Affected
To determine whether your Node.js application is affected by CVE-2025-54134, inspect your project dependencies using npm:
npm ls @haxtheweb/haxcms-nodejsAnalyze the terminal output to locate any version of @haxtheweb/haxcms nodejs in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 11.0.9), your application is affected.
Note: The npm ls @haxtheweb/haxcms-nodejs command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-703: Improper Check or Handling of Exceptional Conditions, where the product does not properly anticipate or handle exceptional conditions that rarely occur during normal operation of the product. In @haxtheweb/haxcms nodejs, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2025-54134 Affected @haxtheweb/haxcms nodejs Versions
1 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
@haxtheweb/haxcms-nodejs
|
npm |
< 11.0.9
|
11.0.9
|
References
Frequently Asked Questions
What is CVE-2025-54134?
Which @haxtheweb/haxcms nodejs versions are affected?
What version fixes CVE-2025-54134?
Is @haxtheweb/haxcms-nodejs affected?
What CWE is associated with CVE-2025-54134?
How can I check npm dependencies for CVE-2025-54134?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-pjj3-j5j6-qj27",
"modified" : "2025-07-21T22:21:29Z",
"published" : "2025-07-21T19:52:53Z",
"aliases" : [ "CVE-2025-54134" ],
"summary" : "HAX CMS NodeJS Application Has Improper Error Handling That Leads to Denial of Service",
"details" : "### Summary\nThe HAX CMS NodeJS application crashes when an authenticated attacker provides an API request lacking required URL parameters. This vulnerability affects the `listFiles` and `saveFiles` endpoints.\n\n### Details\nThis vulnerability exists because the application does not properly handle exceptions which occur as a result of changes to user-modifiable URL parameters.\n\n#### Affected Resources\n• [listFiles.js:22](https://github.com/haxtheweb/haxcms-nodejs/blob/main/src/routes/listFiles.js#L22) listFiles()\n• [saveFile.js:52](https://github.com/haxtheweb/haxcms-nodejs/blob/main/src/routes/saveFile.js#L52) saveFile()\n• system/api/listFiles\n• system/api/saveFile\n\n### PoC\n1. Targeting an instance of instance of [HAX CMS NodeJS](https://github.com/haxtheweb/haxcms-nodejs), send a request without parameters to `listFiles` or `saveFiles`. The following screenshot shows the request in Burp Suite.\n\n\n2. The server will crash with `ERR_INVALID_ARG_TYPE`.\n\n\n### Impact\nAn authenticated attacker can deny access to the HAX CMS NodeJS application by crashing the backend server. This prevents all users from accessing the backend system. If the backend system is hosting websites, those websites will be unavailable.",
"severity" : [ {
"type" : "CVSS_V4",
"score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "npm",
"name" : "@haxtheweb/haxcms-nodejs"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "11.0.9"
} ]
} ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/haxtheweb/issues/security/advisories/GHSA-pjj3-j5j6-qj27"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-54134"
}, {
"type" : "WEB",
"url" : "https://github.com/haxtheweb/haxcms-nodejs/commit/e9773d1996233f9bafb06832b8220ec2a98bab34"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/haxtheweb/haxcms-nodejs"
}, {
"type" : "WEB",
"url" : "https://github.com/haxtheweb/haxcms-nodejs/blob/main/src/routes/listFiles.js#L22"
}, {
"type" : "WEB",
"url" : "https://github.com/haxtheweb/haxcms-nodejs/blob/main/src/routes/saveFile.js#L52"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-20", "CWE-248", "CWE-703" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2025-07-21T19:52:53Z",
"nvd_published_at" : "2025-07-21T21:15:26Z"
}
}