CVE-2026-103443
Low
Description
Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Collection (Book) extension allows XSS Targeting Non-Script Elements. This issue affects MediaWiki Collection (Book) extension: 1.46, 1.45, and 1.43.
SeverityLow
CVSS1.1
Exploit probability—
ProductMediaWiki Collection (Book) extension
PublishedSep 30, 2026
First seenSep 30, 2026
Weakness typeCWE-80CWE-80
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| The Wikimedia Foundation MediaWiki Collection (Book) extension | 1.46, 1.45, 1.43 | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.