CVE-2024-3239: Wpxpo Postx

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

The Post Grid Gutenberg Blocks and WordPress Blog Plugin WordPress plugin before 4.0.2 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

• Wpxpo Postx: before 4.0.2 (fixed in 4.0.2)

Published 2024-05-14. Last modified 2026-06-17.