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CVE Vulnerability Details :
CVE-2026-22711
PUBLISHED
More InfoOfficial Page
Assigner-wikimedia-foundation
Assigner Org ID-c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
View Known Exploited Vulnerability (KEV) details
Published At-07 Apr, 2026 | 18:39
Updated At-08 Apr, 2026 | 22:02
Rejected At-
▼CVE Numbering Authority (CNA)
Stored XSS through system messages in WikiLove

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.

Affected Products
Vendor
Wikimedia FoundationThe Wikimedia Foundation
Product
Mediawiki - Wikilove Extension
Default Status
affected
Versions
Affected
  • From 0 before 1.43 (custom)
Unaffected
  • 1.43
  • 1.44
  • 1.45
Problem Types
TypeCWE IDDescription
CWECWE-87CWE-87 Improper neutralization of alternate XSS syntax
Type: CWE
CWE ID: CWE-87
Description: CWE-87 Improper neutralization of alternate XSS syntax
Metrics
VersionBase scoreBase severityVector
4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-63CAPEC-63 Cross-Site Scripting (XSS)
CAPEC ID: CAPEC-63
Description: CAPEC-63 Cross-Site Scripting (XSS)
Solutions
Configurations
Workarounds
Exploits
Credits
finder
SomeRandomDeveloper
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://phabricator.wikimedia.org/T416502
N/A
https://gerrit.wikimedia.org/r/q/Iab86209478a044504f5a6aea0d8c3d14f21c48b3
N/A
Hyperlink: https://phabricator.wikimedia.org/T416502
Resource: N/A
Hyperlink: https://gerrit.wikimedia.org/r/q/Iab86209478a044504f5a6aea0d8c3d14f21c48b3
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found