CVE-2023-0526: Post Shortcode Project Post Shortcode

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

The Post Shortcode WordPress plugin through 2.0.9 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks

Affected products

• Post Shortcode Project Post Shortcode: up to and including 2.0.9

Published 2023-05-08. Last modified 2026-06-17.