CVE-2026-100242
DataTransfer depends on phpspreadsheet version vulnerable to CVE-2026-59933 (XLS/OLE memory exhaustion)
Description
Dependency on Vulnerable Third-Party Component and Uncontrolled Resource Consumption vulnerability in Wikimedia Foundation Mediawiki - DataTransfer Extension allows Excessive Allocation. This issue affects Mediawiki - DataTransfer Extension: from 1.46.0 before 1.47.0.
INFO
Published Date :
Sept. 29, 2026, 5:17 p.m.
Last Modified :
Sept. 29, 2026, 5:17 p.m.
Remotely Exploit :
No
Source :
c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Affected Products
The following products are affected by CVE-2026-100242
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.
No affected product recoded yet
Solution
- Update DataTransfer Extension to version 1.47.0 or later.
- Apply relevant security patches promptly.
- Monitor resource usage after updates.
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-2026-100242.
| URL | Resource |
|---|---|
| https://gerrit.wikimedia.org/r/q/Ibc4a9070c2425b690bc767a882e4c35046a39be7 | |
| https://github.com/advisories/GHSA-xh5m-36r6-47m3 | |
| https://phabricator.wikimedia.org/T433275 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-100242 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-2026-100242
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-2026-100242 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-100242 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. 29, 2026
Action Type Old Value New Value Added Description Dependency on Vulnerable Third-Party Component and Uncontrolled Resource Consumption vulnerability in Wikimedia Foundation Mediawiki - DataTransfer Extension allows Excessive Allocation. This issue affects Mediawiki - DataTransfer Extension: from 1.46.0 before 1.47.0. Added CWE CWE-400 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/100xxx/CVE-2026-100242.json">CVE-2026-100242</a> Added Reference https://gerrit.wikimedia.org/r/q/Ibc4a9070c2425b690bc767a882e4c35046a39be7 Added Reference https://github.com/advisories/GHSA-xh5m-36r6-47m3 Added Reference https://phabricator.wikimedia.org/T433275