CVE-2026-13706

Analyzed Analyzed - Analysis Complete

Improper Input Validation in Wikimedia Foundation UrlShortener

Publication date: 2026-07-01

Last updated on: 2026-07-09

Assigner: wikimedia-foundation

Description

Improper input validation vulnerability in Wikimedia Foundation UrlShortener. This vulnerability is associated with program files includes/UrlShortenerUtils.Php.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-07-01

Last Modified

2026-07-09

Generated

2026-07-21

AI Q&A

2026-07-01

EPSS Evaluated

2026-07-20

NVD

CVE-2026-13706

EUVD

EUVD-2026-41032

Affected Vendors & Products

Vendor	Product	Version / Range
mediawiki	mediawiki	From 1.44.0 (inc) to 1.44.6 (exc)
mediawiki	mediawiki	From 1.45.0 (inc) to 1.45.4 (exc)
mediawiki	mediawiki	From 1.43.0 (inc) to 1.43.9 (exc)
mediawiki	mediawiki	1.46.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This vulnerability is an improper input validation issue found in the Wikimedia Foundation UrlShortener, specifically in the program file includes/UrlShortenerUtils.Php.

Impact Analysis

This vulnerability is an improper input validation issue in the Wikimedia Foundation UrlShortener component, specifically in the includes/UrlShortenerUtils.Php file.

Improper input validation can potentially allow attackers to manipulate input data, which might lead to unexpected behavior or security issues such as injection attacks or bypassing security controls.

However, the CVSS v4.0 base score is 0.0, indicating that this vulnerability is assessed as having no impact or exploitability under the given metrics.

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