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CVE-2026-103049
XSS in Cargo's Special:CargoQuery page due to unsanitized table headers
Overview
Description

Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo extension allows Reflected XSS. This issue affects Mediawiki - Cargo extension: before 1.46.1.

Details
INFO

Published Date :

Sept. 30, 2026, 12:16 a.m.

Last Modified :

Sept. 30, 2026, 12:16 a.m.

Remotely Exploit :

No

Source :

c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Impact
Affected Products

The following products are affected by CVE-2026-103049 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Mediawiki cargo
: Total Affected Vendor : 1 | Products : 1
Solution
Update the Mediawiki Cargo extension to version 1.46.1 or later to fix reflected XSS.
  • Update Mediawiki Cargo extension to version 1.46.1.
  • Apply vendor-supplied security patches.
References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-103049.

URL Resource
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1310132
https://phabricator.wikimedia.org/T431567
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-103049 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-103049 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-103049 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-103049 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

    Sep. 30, 2026

    Action Type Old Value New Value
    Added Description Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo extension allows Reflected XSS. This issue affects Mediawiki - Cargo extension: before 1.46.1.
    Added CWE CWE-79
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/103xxx/CVE-2026-103049.json">CVE-2026-103049</a>
    Added Reference https://gerrit.wikimedia.org/r/c/mediawiki/extensions/Cargo/+/1310132
    Added Reference https://phabricator.wikimedia.org/T431567
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.