What is CVE-2025-61682?

CVE-2025-61682 is a high-severity vulnerability in Semanticmediawiki, classified under Cross-site Scripting. CVSS score: 8.6/10. Published 2026-09-18.

How severe is CVE-2025-61682?

High severity. CVSS v3 base score is 8.6 out of 10.

XSS in Semanticmediawiki

CVE-2025-61682

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.

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L.

Affected products

Semanticmediawiki — versions >= 3.1.0, < 7.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2025-61682?: CVE-2025-61682 is a high-severity vulnerability in Semanticmediawiki, classified under Cross-site Scripting. CVSS score: 8.6/10. Published 2026-09-18.
How severe is CVE-2025-61682?: High severity. CVSS v3 base score is 8.6 out of 10.