๐Ÿ” CVE Alert

CVE-2026-84899

MEDIUM 6.8

VikWidgetsLoader < 1.12.0 - Contributor+ Stored XSS via Gutenberg Block class_suffix

CVSS Score
6.8
EPSS Score
0.0%
EPSS Percentile
0th

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.

Vendor unknown
Product vikwidgetsloader
Published Sep 5, 2026
Last Updated Sep 6, 2026
Stay Ahead of the Next One

Get instant alerts for unknown vikwidgetsloader

Be the first to know when new medium vulnerabilities affecting unknown vikwidgetsloader are published โ€” delivered to Slack, Telegram or Discord.

Get Free Alerts โ†’ Free ยท No credit card ยท 60 sec setup

Affected Versions

Unknown / VikWidgetsLoader
1.11.0 < 1.12.0

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
wpscan.com: https://wpscan.com/vulnerability/4e0beb72-d73b-4802-894d-141aadbd8d4f/

Credits

Artus KG WPScan