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175 vulnerabilities

CVE-2026-5266 (GCVE-0-2026-5266)

Vulnerability from cvelistv5 – Published: 2026-05-11 16:55 – Updated: 2026-05-11 18:00
VLAI
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation Echo. This vulnerability is associated with program files includes/Api/ApiEchoNotifications.Php. This issue affects Echo: from * before 1.43.7, 1.44.4, 1.45.2.
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
References
Impacted products
Vendor Product Version
Wikimedia Foundation Echo Affected: * , < 1.43.7, 1.44.4, 1.45.2 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-34095 (GCVE-0-2026-34095)

Vulnerability from cvelistv5 – Published: 2026-05-11 16:53 – Updated: 2026-05-11 18:04
VLAI
Title
action=raw with Special:Mypage subpage title responds with "Content-Type: text/html" on ctype=text/javascript request
Summary
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Actions/ActionEntryPoint.Php, includes/Request/FauxResponse.Php. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
CWE
  • CWE-668 - Exposure of Resource to Wrong Sphere
References
Impacted products
Vendor Product Version
Wikimedia Foundation MediaWiki Affected: * , < 1.43.7, 1.44.4, 1.45.2 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-34094 (GCVE-0-2026-34094)

Vulnerability from cvelistv5 – Published: 2026-05-11 16:50 – Updated: 2026-05-11 18:06
VLAI
Title
Customized help link for page protection indicator is relative to subpage name, because the link target is missing the "/wiki/" prefix
Summary
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Page/Article.Php. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
CWE
  • CWE-668 - Exposure of Resource to Wrong Sphere
References
Impacted products
Vendor Product Version
Wikimedia Foundation MediaWiki Affected: * , < 1.43.7, 1.44.4, 1.45.2 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-34093 (GCVE-0-2026-34093)

Vulnerability from cvelistv5 – Published: 2026-05-11 16:48 – Updated: 2026-05-11 18:15
VLAI
Title
Special:UserRights allows viewing user rights from private wiki
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Specials/SpecialUserRights.Php. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
References
Impacted products
Vendor Product Version
Wikimedia Foundation MediaWiki Affected: * , < 1.43.7, 1.44.4, 1.45.2 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-34092 (GCVE-0-2026-34092)

Vulnerability from cvelistv5 – Published: 2026-05-11 15:00 – Updated: 2026-05-11 15:50
VLAI
Title
Block UI elements in 'tools'-sidebar shows presence of an autoblocked IP
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Skin/Skin.Php. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
References
Impacted products
Vendor Product Version
Wikimedia Foundation MediaWiki Affected: * , < 1.43.7, 1.44.4, 1.45.2 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-34091 (GCVE-0-2026-34091)

Vulnerability from cvelistv5 – Published: 2026-05-11 14:55 – Updated: 2026-05-11 16:03
VLAI
Title
User localization leaked by AbuseFilter + EventStream
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
References
Impacted products
Vendor Product Version
Wikimedia Foundation MediaWiki Affected: * , < 1.43.7, 1.44.4, 1.45.2 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-34090 (GCVE-0-2026-34090)

Vulnerability from cvelistv5 – Published: 2026-05-11 14:50 – Updated: 2026-05-11 15:51
VLAI
Title
Suggested investigations: Handle suppressed usernames
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation CheckUser. This issue affects CheckUser: from 1.45.0 before 1.45.2.
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
References
Impacted products
Vendor Product Version
Wikimedia Foundation CheckUser Affected: 1.45.0 , < 1.45.2 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-34089 (GCVE-0-2026-34089)

Vulnerability from cvelistv5 – Published: 2026-05-11 14:46 – Updated: 2026-05-11 15:53
VLAI
Title
Memory leak in Scribunto causes runJobs.php to run out of memory
Summary
Vulnerability in Wikimedia Foundation Scribunto. This issue affects Scribunto: from 1.45.0 before 1.45.2.
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
Impacted products
Vendor Product Version
Wikimedia Foundation Scribunto Affected: 1.45.0 , < 1.45.2 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-34088 (GCVE-0-2026-34088)

Vulnerability from cvelistv5 – Published: 2026-05-11 14:43 – Updated: 2026-05-11 16:03
VLAI
Title
RecentChanges entries expose suppressed content via generated log page html
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
References
Impacted products
Vendor Product Version
Wikimedia Foundation MediaWiki Affected: * , < 1.43.7, 1.44.4, 1.45.2 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-34087 (GCVE-0-2026-34087)

Vulnerability from cvelistv5 – Published: 2026-05-11 14:40 – Updated: 2026-05-11 16:03
VLAI
Title
Users API leaks whether privileged users have their user groups disabled for lack of 2FA
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation OATHAuth. This issue affects OATHAuth: from * before 1.43.7, 1.44.4, 1.45.2.
CWE
  • CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
References
Impacted products
Vendor Product Version
Wikimedia Foundation OATHAuth Affected: * , < 1.43.7, 1.44.4, 1.45.2 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-34086 (GCVE-0-2026-34086)

Vulnerability from cvelistv5 – Published: 2026-05-11 14:35 – Updated: 2026-05-11 17:33
VLAI
Title
AbuseFilter misuses ::userCanBitfield, exposing access-controlled information
Summary
Vulnerability in Wikimedia Foundation AbuseFilter. This issue affects AbuseFilter: from * before 1.43.7, 1.44.4, 1.45.2.
CWE
  • CWE-20 - Improper Input Validation
References
Impacted products
Vendor Product Version
Wikimedia Foundation AbuseFilter Affected: * , < 1.43.7, 1.44.4, 1.45.2 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-39936 (GCVE-0-2026-39936)

Vulnerability from cvelistv5 – Published: 2026-04-07 22:11 – Updated: 2026-04-08 22:08
VLAI
Title
Stored XSS in Score due to usage of non-reserved data attributes
Summary
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Score Extension allows Cross-Site Scripting (XSS). The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.
CWE
  • CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Impacted products
Vendor Product Version
The Wikimedia Foundation Mediawiki - Score Extension Unaffected: 1.43
Unaffected: 1.44
Unaffected: 1.45
Affected: 0 , < 1.43 (custom)
Create a notification for this product.
Credits
SomeRandomDeveloper
Show details on NVD website

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CVE-2026-39935 (GCVE-0-2026-39935)

Vulnerability from cvelistv5 – Published: 2026-04-07 22:04 – Updated: 2026-04-08 22:06
VLAI
Title
XSS-via-i18n in localised wiki names
Summary
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CampaignEvents Extension allows Cross-Site Scripting (XSS). This issue was remediated only on the `master` branch.
CWE
  • CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Impacted products
Vendor Product Version
The Wikimedia Foundation Mediawiki - CampaignEvents Extension Affected: 1.43
Affected: 1.44
Affected: 1.45
Affected: 0 , < 1.43 (custom)
Create a notification for this product.
Credits
Daimona
Show details on NVD website

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CVE-2026-39934 (GCVE-0-2026-39934)

Vulnerability from cvelistv5 – Published: 2026-04-07 22:00 – Updated: 2026-04-08 22:04
VLAI
Title
Growth Experiments ReassignMenteesJob runs as an infinite loop
Summary
Loop with unreachable exit condition ('infinite loop') vulnerability in The Wikimedia Foundation Mediawiki - GrowthExperiments Extension allows Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions. This issue was remediated only on the `master` branch.
CWE
  • CWE-835 - Loop with unreachable exit condition ('infinite loop')
Impacted products
Vendor Product Version
The Wikimedia Foundation Mediawiki - GrowthExperiments Extension Affected: 1.45
Affected: 1.44
Affected: 1.43
Affected: 0 , < 1.43 (custom)
Create a notification for this product.
Credits
Urbanecm_WMF Michael
Show details on NVD website

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CVE-2026-39933 (GCVE-0-2026-39933)

Vulnerability from cvelistv5 – Published: 2026-04-07 21:51 – Updated: 2026-04-08 22:00
VLAI
Title
Multiple XSS vulnerabilities in GlobalWatchlist
Summary
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - GlobalWatchlist Extension allows Cross-Site Scripting (XSS). The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.
CWE
  • CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Impacted products
Vendor Product Version
The Wikimedia Foundation Mediawiki - GlobalWatchlist Extension Unaffected: 1.43
Unaffected: 1.44
Unaffected: 1.45
Affected: 0 , < 1.43 (custom)
Create a notification for this product.
Credits
SomeRandomDeveloper
Show details on NVD website

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CVE-2026-39937 (GCVE-0-2026-39937)

Vulnerability from cvelistv5 – Published: 2026-04-07 21:44 – Updated: 2026-04-08 21:58
VLAI
Title
Global vanishing does not completely remove user email
Summary
Improper removal of sensitive information before storage or transfer vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth Extension allows Resource Leak Exposure. The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.
CWE
  • CWE-212 - Improper removal of sensitive information before storage or transfer
Impacted products
Vendor Product Version
The Wikimedia Foundation Mediawiki - CentralAuth Extension Unaffected: 1.43
Unaffected: 1.44
Unaffected: 1.45
Affected: 0 , < 1.43 (custom)
Create a notification for this product.
Credits
Urbanecm kostajh
Show details on NVD website

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CVE-2026-39837 (GCVE-0-2026-39837)

Vulnerability from cvelistv5 – Published: 2026-04-07 19:47 – Updated: 2026-04-07 20:42
VLAI
Title
Stored XSS through the dynamic table format in Cargo
Summary
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in WikiWorks Mediawiki - Cargo Extension allows Stored XSS.This issue affects Mediawiki - Cargo Extension: before 3.8.7.
CWE
  • CWE-80 - Improper neutralization of Script-Related HTML tags in a web page (basic XSS)
Impacted products
Credits
SomeRandomDeveloper
Show details on NVD website

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CVE-2026-39841 (GCVE-0-2026-39841)

Vulnerability from cvelistv5 – Published: 2026-04-07 19:43 – Updated: 2026-04-07 20:42
VLAI
Title
Stored XSS through list fields on Cargo's page values and Special:CargoTables
Summary
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.This issue affects Mediawiki - Cargo Extension: before 3.8.7.
CWE
  • CWE-80 - Improper neutralization of Script-Related HTML tags in a web page (basic XSS)
Impacted products
Credits
Alex44019
Show details on NVD website

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CVE-2026-39840 (GCVE-0-2026-39840)

Vulnerability from cvelistv5 – Published: 2026-04-07 19:35 – Updated: 2026-04-07 20:42
VLAI
Title
CSS injection in multiple Cargo display formats
Summary
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows XSS Targeting Non-Script Elements.This issue affects Mediawiki - Cargo Extension: before 3.8.7.
CWE
  • CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Impacted products
Credits
SomeRandomDeveloper Yaron Koren
Show details on NVD website

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CVE-2026-39839 (GCVE-0-2026-39839)

Vulnerability from cvelistv5 – Published: 2026-04-07 19:29 – Updated: 2026-04-07 20:42
VLAI
Title
Stored XSS through URLs in Cargo's map format
Summary
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.This issue affects Mediawiki - Cargo Extension: before 3.8.7.
CWE
  • CWE-80 - Improper neutralization of Script-Related HTML tags in a web page (basic XSS)
Impacted products
Credits
SomeRandomDeveloper Yaron Koren
Show details on NVD website

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CVE-2026-39838 (GCVE-0-2026-39838)

Vulnerability from cvelistv5 – Published: 2026-04-07 19:17 – Updated: 2026-04-08 18:48
VLAI
Title
ProofreadPage improperly sanitizes multiline styles using Sanitizer::checkCSS
Summary
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Wikimedia Foundation MediaWiki - ProofreadPage Extension allows XSS Targeting Non-Script Elements. The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.
CWE
  • CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Impacted products
Vendor Product Version
Wikimedia Foundation MediaWiki - ProofreadPage Extension Affected: 0 , < 1.43 (custom)
Unaffected: 1.43
Unaffected: 1.44
Unaffected: 1.45
Create a notification for this product.
Credits
SomeRandomDeveloper
Show details on NVD website

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CVE-2026-5762 (GCVE-0-2026-5762)

Vulnerability from cvelistv5 – Published: 2026-04-07 18:42 – Updated: 2026-04-08 19:12
VLAI
Title
ReportIncident DiscussionTools integration causes slow requests
Summary
Allocation of resources without limits or throttling vulnerability in Wikimedia Foundation MediaWiki - ReportIncident Extension allows HTTP DoS. This issue was remediated only on the `master` branch.
CWE
  • CWE-770 - Allocation of resources without limits or throttling
Impacted products
Vendor Product Version
Wikimedia Foundation MediaWiki - ReportIncident Extension Affected: 0 , < 1.43 (custom)
Affected: 1.43
Affected: 1.44
Affected: 1.45
Create a notification for this product.
Credits
Dreamy_Jazz STran
Show details on NVD website

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CVE-2026-22711 (GCVE-0-2026-22711)

Vulnerability from cvelistv5 – Published: 2026-04-07 18:39 – Updated: 2026-04-08 22:02
VLAI
Title
Stored XSS through system messages in WikiLove
Summary
Improper neutralization of alternate XSS syntax vulnerability in The Wikimedia Foundation Mediawiki - Wikilove Extension allows Cross-Site Scripting (XSS).The issue has been remediated on the `master` branch, and in the release branches for MediaWiki versions 1.43, 1.44, and 1.45.
CWE
  • CWE-87 - Improper neutralization of alternate XSS syntax
Impacted products
Vendor Product Version
The Wikimedia Foundation Mediawiki - Wikilove Extension Unaffected: 1.43
Unaffected: 1.44
Unaffected: 1.45
Affected: 0 , < 1.43 (custom)
Create a notification for this product.
Credits
SomeRandomDeveloper
Show details on NVD website

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CVE-2025-67481 (GCVE-0-2025-67481)

Vulnerability from cvelistv5 – Published: 2026-02-03 01:30 – Updated: 2026-02-03 15:31
VLAI
Title
mw.message(…).parse() doesn't output safe HTML, but it's being used as if it does
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.JqueryMsg/mediawiki.JqueryMsg.Js. This issue affects MediaWiki: from * before 1.39.16, 1.43.6, 1.44.3, 1.45.1.
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
References
Impacted products
Vendor Product Version
Wikimedia Foundation MediaWiki Affected: * , < 1.39.16, 1.43.6, 1.44.3, 1.45.1 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2025-67482 (GCVE-0-2025-67482)

Vulnerability from cvelistv5 – Published: 2026-02-03 01:28 – Updated: 2026-03-02 17:44
VLAI
Title
Lua segfault in unpack()
Summary
Vulnerability in Wikimedia Foundation Scribunto, Wikimedia Foundation luasandbox. This vulnerability is associated with program files includes/Engines/LuaCommon/lualib/mwInit.Lua, library.C. This issue affects Scribunto: from * before 1.39.16, 1.43.6, 1.44.3, 1.45.1; luasandbox: from * before fea2304f8f6ab30314369a612f4f5b165e68e95a.
References
Impacted products
Vendor Product Version
Wikimedia Foundation Scribunto Affected: * , < 1.39.16, 1.43.6, 1.44.3, 1.45.1 (semver)
Create a notification for this product.
Wikimedia Foundation luasandbox Affected: * , < fea2304f8f6ab30314369a612f4f5b165e68e95a (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2025-67483 (GCVE-0-2025-67483)

Vulnerability from cvelistv5 – Published: 2026-02-03 01:26 – Updated: 2026-02-03 21:02
VLAI
Title
Theoretical i18n XSS in mediawiki.page.preview.js when a page has multiple protection levels
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Page.Preview.Js. This issue affects MediaWiki: from * before 1.43.6, 1.44.3, 1.45.1.
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
References
Impacted products
Vendor Product Version
Wikimedia Foundation MediaWiki Affected: * , < 1.43.6, 1.44.3, 1.45.1 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2025-67484 (GCVE-0-2025-67484)

Vulnerability from cvelistv5 – Published: 2026-02-03 01:24 – Updated: 2026-03-03 15:51
VLAI
Title
Action API xslt option allows JavaScript execution by administrators who are not interface administrators
Summary
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiFormatXml.Php. This issue affects MediaWiki: from * before 1.39.16, 1.43.6, 1.44.3, 1.45.1.
CWE
  • CWE-20 - Improper Input Validation
References
Impacted products
Vendor Product Version
Wikimedia Foundation MediaWiki Affected: * , < 1.39.16, 1.43.6, 1.44.3, 1.45.1 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2025-67480 (GCVE-0-2025-67480)

Vulnerability from cvelistv5 – Published: 2026-02-03 01:23 – Updated: 2026-03-03 15:50
VLAI
Title
list=allrevisions can be used to bypass Extension:Lockdown
Summary
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Api/ApiQueryRevisionsBase.Php. This issue affects MediaWiki: from * before 1.39.16, 1.43.6, 1.44.3, 1.45.1.
CWE
  • CWE-20 - Improper Input Validation
References
Impacted products
Vendor Product Version
Wikimedia Foundation MediaWiki Affected: * , < 1.39.16, 1.43.6, 1.44.3, 1.45.1 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2025-67475 (GCVE-0-2025-67475)

Vulnerability from cvelistv5 – Published: 2026-02-03 01:21 – Updated: 2026-02-03 15:32
VLAI
Title
Stored XSS through edit summaries in MW Core
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/CommentFormatter/CommentParser.Php. This issue affects MediaWiki: from * before 1.39.16, 1.43.6, 1.44.3, 1.45.1.
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
References
Impacted products
Vendor Product Version
Wikimedia Foundation MediaWiki Affected: * , < 1.39.16, 1.43.6, 1.44.3, 1.45.1 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2025-67476 (GCVE-0-2025-67476)

Vulnerability from cvelistv5 – Published: 2026-02-03 01:18 – Updated: 2026-03-02 17:45
VLAI
Title
Importing leaks IP address of importer via EventStreams
Summary
Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Import/ImportableOldRevisionImporter.Php. This issue affects MediaWiki: from * before 1.44.3, 1.45.1.
References
Impacted products
Vendor Product Version
Wikimedia Foundation MediaWiki Affected: * , < 1.44.3, 1.45.1 (semver)
Create a notification for this product.
Show details on NVD website

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