Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-100381— UploadWizard Flickr collection and set titles allow DOM XSS

Quick assessment

Affected
Wikimedia Foundation Mediawiki - UploadWizard 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.

在维基媒体基金会（Wikimedia Foundation）的 MediaWiki - UploadWizard 扩展中，存在一个“生成网页时输入未正确中和”（即跨站脚本攻击，XSS）漏洞，可导致跨站脚本攻击（XSS）。 该问题影响 MediaWiki - UploadWizard 扩展的版本：1.46.1、1.45.5 和 1.43.10 之前的所有版本。

CVSS 5.3 · Medium EPSS 0.33% · P24

Affected Version Matrix 1

VendorProduct Version RangeStatus
Wikimedia Foundation Mediawiki - UploadWizard Extension *< 1.46.1, 1.45.5, 1.43.10 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-100381

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
UploadWizard Flickr collection and set titles allow DOM XSS
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - UploadWizard Extension allows Cross-Site Scripting (XSS). This issue affects Mediawiki - UploadWizard Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Wikimedia Foundation Mediawiki - UploadWizard Extension * ~ 1.46.1, 1.45.5, 1.43.10 -

II. Public POCs for CVE-2026-100381

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-100381

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-100381 (1)

Other References for CVE-2026-100381 (1)

Same Patch Batch · Wikimedia Foundation · 2026-09-25 · 8 CVEs total

CVE-2026-100382 10.0 CRITICAL Unauthenticated remote code execution through wikitext in ExternalData
CVE-2026-100377 6.9 MEDIUM Revision-deleted pages can be viewed through WikiLambda's action=edit and Special:ViewAbst
CVE-2026-100380 5.3 MEDIUM Reflected XSS in Wikibase Special:SetLabel language validation
CVE-2026-100378 5.3 MEDIUM Missing permission check in the Translate sandbox doRemind action
CVE-2026-100379 5.3 MEDIUM Cross-request disclosure of CentralAuth cookies in Wikipedia Android App
CVE-2026-100383 4.8 MEDIUM Stored i18n XSS in WikiLambda's VisualEditor integration
CVE-2026-100376 4.8 MEDIUM TemplateSandbox can be abused for XSS by asking another user to preview a page with a cert

IV. Related Vulnerabilities

Same product: Mediawiki - UploadWizard Extension
Same vendor: Wikimedia Foundation
Same weakness: CWE-79

V. Comments for CVE-2026-100381

No comments yet

Leave a comment