PT-2026-126344

CVE-2026-116883

Published

2026-10-27

Updated

2026-10-27

Description by

CVSS 3.1

4.8

Medium

MetricsAV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Semantic MediaWiki versions 3.1.0 through 7.3.0

Description A stored cross-site scripting issue exists where authenticated schema editors can inject HTML via schema descriptions. Users with the smw-schemaedit permission can save HTML that is passed unescaped to the Html::rawElement() function in HtmlBuilder, allowing them to alter pages and target users who view the schema.

Recommendations Update Semantic MediaWiki to version 7.3.1 or later.

Exploitability

Exploit

Fix

Impacts

Researchers

Vendors

Affected products

Weakness enumeration

CWE-79: Improper Neutralization of Input During Web Page Generation (\'Cross-site Scripting\')

Related identifiers

CVE-2026-116883