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CVE-2025-67478— Wrong E-Mail address composition for usernames with a comma and Umlauts in it like "Döe, Jähn"

EPSS 0.02% · P6
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I. Basic Information for CVE-2025-67478

Vulnerability Information
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Vulnerability Title
Wrong E-Mail address composition for usernames with a comma and Umlauts in it like "Döe, Jähn"
Source: NVD (National Vulnerability Database)
Vulnerability Description
Vulnerability in Wikimedia Foundation CheckUser. This vulnerability is associated with program files includes/Mail/UserMailer.Php. This issue affects CheckUser: from * before 1.39.14, 1.43.4, 1.44.1.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Wikimedia CheckUser 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Wikimedia CheckUser是Wikimedia基金会的一个打击破坏行为的高级调查工具。 Wikimedia CheckUser 1.39.14之前版本、1.43.4之前版本和1.44.1之前版本存在安全漏洞，该漏洞源于includes/Mail/UserMailer.Php文件存在缺陷。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
Wikimedia FoundationCheckUser * ~ 1.39.14, 1.43.4, 1.44.1 -

II. Public POCs for CVE-2025-67478

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III. Intelligence Information for CVE-2025-67478

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Same Patch Batch · Wikimedia Foundation · 2026-02-03 · 26 CVEs total

CVE-2025-67476Importing leaks IP address of importer via EventStreams
CVE-2025-67483Theoretical i18n XSS in mediawiki.page.preview.js when a page has multiple protection leve
CVE-2025-67481mw.message(…).parse() doesn't output safe HTML, but it's being used as if it does
CVE-2025-67484Action API xslt option allows JavaScript execution by administrators who are not interface
CVE-2025-67482Lua segfault in unpack()
CVE-2025-61655Stored XSS through system messages in VisualEditor
CVE-2025-61658Special:GlobalContributions shows edits on wikis the viewer doesn't have access to
CVE-2025-61656XSS when pasting into VE
CVE-2025-61651i18n XSS through Special:CheckUser CheckUser helper
CVE-2025-61654UserInfoCard: Do permission checking when getting counts of global and local edits, new ar
CVE-2025-61657Wikimedia Vector 安全漏洞
CVE-2025-61653Extension:TextExtracts does not check for authorizeRead when returning extracts
CVE-2025-61652Action API discussiontoolspageinfo does not check for authorizeRead for the page
CVE-2025-61647UserInfoCard: Don't allow access to information about users who are suppressed if you don'
CVE-2025-67477Stored XSS through a system message in Special:ApiSandbox
CVE-2025-67475Stored XSS through edit summaries in MW Core
CVE-2025-67480list=allrevisions can be used to bypass Extension:Lockdown
CVE-2025-67479Magic word replacement in legacy parser allows using reserved data attributes through wiki
CVE-2025-61649UserInfoCard: Check that performing user has permission to view log entries for number of
CVE-2025-61648Stored XSS through system messages in CheckUser

Showing top 20 of 26 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: CheckUser
Same vendor: Wikimedia Foundation

V. Comments for CVE-2025-67478

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