CVE-2026-103354

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Liquid Web / StellarWP Gutenberg Blocks by Kadence Blocks kadence-blocks allows Stored XSS.This issue affects Gutenberg Blocks by Kadence Blocks: from n/a through 3.7.11.1.

  • Published Oct 4, 2026
  • CVSS 7.1 high
  • 0.1% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-103354 at the National Vulnerability Database