CVE-2026-84899 — VikWidgetsLoader < 1.12.0 - Contributor+ Stored XSS via Gutenberg Block class_suffix

CVE-2026-84899

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

Description (CNA)

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 (CNA)

Vendor / product	Versions
Unknown / VikWidgetsLoader	affected 1.11.0 before 1.12.0

CWE

No CWE identifiers supplied.

References

https://wpscan.com/vulnerability/4e0beb72-d73b-4802-894d-141aadbd8d4f/

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.