CVE-2025-11183: Qwc2 Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-gxp8-m5rq-3m38
Share
CWE-79
Published
Advisory Summary

CVE-2025-11183 is a MODERATE cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Qwc2 libraries in the npm ecosystem. The issue involves qgis qwc2 cross-site scripting vulnerability. Remediation is available by upgrading affected packages to version 2025.08.14.

CVE-2025-11183 at a Glance

CVE Identifier CVE-2025-11183
GHSA Identifier GHSA-gxp8-m5rq-3m38
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Qwc2
Package Ecosystem npm
Published Date
Last Updated

How to Fix CVE-2025-11183

To remediate this vulnerability, upgrade all affected Qwc2 dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

qwc2 fixed: 2025.08.14 
npm install qwc2@2025.08.14
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

npm ls qwc2

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2025-11183, inspect your project dependencies using npm:

npm ls qwc2

Analyze the terminal output to locate any version of Qwc2 in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2025.08.14), your application is affected.

Note: The npm ls qwc2 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-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Qwc2, 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

Cross-Site Scripting vulnerability in attribute table in QGIS QWC2 < 2025.08.14 allows an authorized attacker to plant arbitrary JavaScript code in the page.

CVE-2025-11183 Affected Qwc2 Versions

1 component(s)
Fixed Versions:
2025.08.14
Product / Package Ecosystem Affected Versions Fixed Version
qwc2
npm/qwc2
npm
< 2025.08.14
2025.08.14

References

NVD — CVE-2025-11183 NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-11183
Qwc2 Source Repository REPOSITORY
https://github.com/qgis/qwc2
hub.ntc.swiss/ntcf-2025-4286 WEB
https://hub.ntc.swiss/ntcf-2025-4286

Frequently Asked Questions

What is CVE-2025-11183?
CVE-2025-11183 is a security vulnerability in Qwc2 involving QGIS QWC2 Cross-Site Scripting vulnerability under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Qwc2 versions are affected?
Affected versions include releases prior to 2025.08.14 across affected packages: qwc2.
What version fixes CVE-2025-11183?
Upgrading to 2025.08.14 (or the latest patched release for your respective branch) resolves the vulnerability.
Is qwc2 affected?
Yes, qwc2 is affected in releases prior to 2025.08.14. Upgrade your dependency to 2025.08.14 or later.
What CWE is associated with CVE-2025-11183?
CVE-2025-11183 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check npm dependencies for CVE-2025-11183?
Run the dependency tree command: 'npm ls qwc2'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-gxp8-m5rq-3m38",
  "modified" : "2025-10-13T20:24:28Z",
  "published" : "2025-10-13T12:31:10Z",
  "aliases" : [ "CVE-2025-11183" ],
  "summary" : "QGIS QWC2 Cross-Site Scripting vulnerability",
  "details" : "Cross-Site Scripting vulnerability in attribute table in QGIS QWC2 < 2025.08.14 allows an authorized attacker to plant arbitrary JavaScript code in the page.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/AU:N/RE:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "qwc2"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2025.08.14"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2025-11183"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/qgis/qwc2"
  }, {
    "type" : "WEB",
    "url" : "https://hub.ntc.swiss/ntcf-2025-4286"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2025-10-13T20:24:28Z",
    "nvd_published_at" : "2025-10-13T10:15:45Z"
  }
}