CVE-2026-104400

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in bPlugins B Blocks b-blocks allows Stored XSS.This issue affects B Blocks: from n/a through 2.1.8.

  • Published Oct 5, 2026
  • CVSS 6.5 medium
  • 0.2% chance of exploitation in the next 30 days (EPSS)

Affected software

CVE-2026-104400 at the National Vulnerability Database