ByteOS Network

Vulnerability Details :

CVE-2025-67478

Assigner Org ID-c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

Published At-03 Feb, 2026 | 01:14

Updated At-03 Feb, 2026 | 15:32

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

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.

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:wikimedia-foundation

Assigner Org ID:c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

Published At:03 Feb, 2026 | 01:14

Updated At:03 Feb, 2026 | 15:32

▼CVE Numbering Authority (CNA)

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

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.

Affected Products

Vendor

Wikimedia Foundation

Product

CheckUser

Repo

https://gerrit.wikimedia.org/g/mediawiki/core/+/refs/heads/master

Program Files

includes/Mail/UserMailer.php

Default Status

unaffected

Versions

Affected

From * before 1.39.14, 1.43.4, 1.44.1 (semver)

Metrics

Version	Base score	Base severity	Vector
4.0	0.0	NONE	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U

Version: 4.0

Base score: 0.0

Base severity: NONE

Vector:

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U

References

Hyperlink	Resource
https://phabricator.wikimedia.org/T385403	N/A

Hyperlink: https://phabricator.wikimedia.org/T385403

Resource: N/A

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Metrics Other Info

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

Published At:03 Feb, 2026 | 02:16

Updated At:03 Feb, 2026 | 16:44

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	4.0	0.0	NONE	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Type: Secondary

Version: 4.0

Base score: 0.0

Base severity: NONE

Vector:

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

References

Hyperlink	Source	Resource
https://phabricator.wikimedia.org/T385403	c4f26cc8-17ff-4c99-b5e2-38fc1793eacc	N/A

Hyperlink: https://phabricator.wikimedia.org/T385403

Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

Resource: N/A

CVE-2025-67478

Credits

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

Vendors

Products

Metrics (CVSS)

Weaknesses

Attack Patterns

Solution/Workaround

References

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

Stakeholder-Specific Vulnerability Categorization (SSVC)

Affected Products

Affected

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

CISA Catalog

Metrics

CPE Matches

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History

Similar CVEs