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Semantic MediaWiki vulnerable to stored XSS through wikitext via improper use of non-reserved data attributes

CVSS 3.1 8.6 HIGHCheck source for fixed versionsKEV status unknown

cve-program · CVE-2025-61682

Published

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Versions starting in 3.1.0 and prior to 7.0.0 insert the unsanitized value of a data attribute into the DOM as HTML, allowing for stored XSS through wikitext. Version 7.0.0 patches the issue.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2025-61682

Published

SemanticMediaWiki

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "SemanticMediaWiki",
                    "product": "SemanticMediaWiki",
                    "versions": [
                        {
                            "version": ">= 3.1.0, < 7.0.0",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

ChangeIntel

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Sources read 13 Nov 04:05 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current