Answer in brief
CVE-2026-104762 records a Medium severity (CVSS 6.4) vulnerability in Kadence Blocks <= 3.7.12 - Authenticated (Author+) Stored Cross-Site Scripting via Block Font Family Attribute. The current sources do not mark it as known exploited. The current feed maps stellarwp/Kadence Blocks — Page Builder Toolkit for Gutenberg Editor (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 6.4. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps stellarwp/Kadence Blocks — Page Builder Toolkit for Gutenberg Editor (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| stellarwp/Kadence Blocks — Page Builder Toolkit for Gutenberg Editorgeneric | >=0 <=3.7.12 | Not reported |
Published upstream
Oct 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 10, 2026
The Kadence Blocks — Page Builder Toolkit for Gutenberg Editor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Block Font Family Attribute in all versions up to, and including, 3.7.12 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This encoding bypass is only triggered when the "Load Google Fonts Locally" site option (kadence_blocks_font_settings['load_fonts_local']) is enabled, which is not the default configuration.
Quoted source text, attributed separately from HOL analysis.