cvedb.io
CVE-2026-12157
MEDIUM · CVSS 6.4
EPSS exploitation probability: 0%
Published 2026-06-19T06:17:01.397 · Last modified 2026-06-22T16:43:14.450

Summary

The BetterDocs - Knowledge Base Docs & FAQ Solution for Elementor & Block Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the blockId attribute of the betterdocs/category-slate-layout Gutenberg block in versions up to, and including, 4.5.3. This is due to insufficient input sanitization and output escaping in the CategorySlateLayout::render() method, which echoes the blockId block attribute directly into an HTML class attribute without esc_attr(). 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.

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.