CVE-2026-84899: Unknown Vikwidgetsloader

Medium severity, CVSS 6.8. EPSS: 0.4% chance of exploitation in the next 30 days.

The VikWidgetsLoader WordPress plugin before 1.12.0 does not sanitise or escape a block attribute before outputting it inside an inline script, allowing users with the Contributor role to store arbitrary JavaScript that executes in the browser of any user viewing the affected post, including the administrator who reviews the pending submission.

Affected products

• Unknown Vikwidgetsloader: from 1.11.0, before 1.12.0 (fixed in 1.12.0)

Published 2026-09-05. Last modified 2026-09-08.