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CVE-2026-103048— Open Redirect in Special:Book

Quick assessment

Affected
The Wikimedia Foundation Mediawiki - Collection extension
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

维基媒体基金会（Wikimedia Foundation）MediaWiki 的 Collection 扩展中存在 URL 重定向到不受信任站点（即“开放重定向”）漏洞，该漏洞允许伪造数据来源。 此问题影响以下版本的 MediaWiki Collection 扩展：1.46.1 之前版本、1.45.5 之前版本、以及 1.43.10 之前版本。

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2026-103048

Vulnerability Information
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Vulnerability Title
Open Redirect in Special:Book
Source: CVE Program / CVE List V5
Vulnerability Description
URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - Collection extension allows Fake the Source of Data. This issue affects Mediawiki - Collection extension: before 1.46.1, 1.45.5, 1.43.10.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
The Wikimedia Foundation Mediawiki - Collection extension 0 ~ 1.46.1, 1.45.5, 1.43.10 -

II. Public POCs for CVE-2026-103048

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III. Intelligence Information for CVE-2026-103048

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Other References for CVE-2026-103048 (2)

Same Patch Batch · The Wikimedia Foundation · 2026-09-29 · 8 CVEs total

CVE-2026-103046 WikifunctionsFragmentRenderer does unsafe string replacements on user-provided HTML
CVE-2026-103044 EasyTimeline should not serve image maps as application/xml
CVE-2026-103047 XSS through i18n message in CentralAuth
CVE-2026-103045 XSS in Refreshed skin
CVE-2026-103050 Stored i18n XSS in MassMessage
CVE-2026-103049 XSS in Cargo's Special:CargoQuery page due to unsanitized table headers
CVE-2026-103051 Stored i18n XSSs in CentralNotice

IV. Related Vulnerabilities

Same vendor: The Wikimedia Foundation
Same weakness: CWE-601

V. Comments for CVE-2026-103048

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