Bug 2542989 - CVE-2026-100376 mediawiki: mediawiki: Cross-Site Scripting in TemplateSandbox via crafted preview prefix [fedora-all]
Summary: CVE-2026-100376 mediawiki: mediawiki: Cross-Site Scripting in TemplateSandbox...
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: mediawiki
Version: rawhide
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Michael Cronenworth
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["1d21a930-786c-4ce0-b667-5...
Depends On:
Blocks: CVE-2026-100376
TreeView+ depends on / blocked
 
Reported: 2026-09-29 07:47 UTC by Vladimir Vasilev
Modified: 2026-09-29 07:47 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: ---
Embargoed:

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Description Vladimir Vasilev 2026-09-29 07:47:27 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - TemplateSandbox Extension allows Cross-Site Scripting (XSS).

This issue affects Mediawiki - TemplateSandbox Extension: from * before 1.46.1, 1.45.5, 1.43.10.
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