CVE-2026-18435

mediumCVSS 6.4covered by 1 sourcefirst seen 2026-08-01

The Kadence Blocks — Page Builder Toolkit for Gutenberg Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'toggleIcon' Block Attribute in all versions up to, and including, 3.7.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

⚡ Watch CVE-2026-18435

Get an email if CVE-2026-18435 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.

Advisory coverage (1)

mediumCVE-2026-18435: The Kadence Blocks — Page Builder Toolkit for Gutenberg Editor plugin for WordPress is vulnera…nvd · 2026-08-01

External references

NVD record for CVE-2026-18435

CVE.org record

Embed the live status

— this badge updates automatically when the KEV or exploit status changes. How to embed it →

[![CVE-2026-18435 status](https://www.csirts.com/badge/CVE-2026-18435)](https://www.csirts.com/cve/CVE-2026-18435)