CVE-2023-0376: Themeum Qubely

Medium severity, CVSS 5.4. EPSS: 0.7% chance of exploitation in the next 30 days.

The Qubely WordPress plugin before 1.8.5 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Affected products

  • Themeum Qubely: before 1.8.5 (fixed in 1.8.5)

Published 2024-01-16. Last modified 2026-06-17.