CVE-2022-4477: Smashballoon Smash Balloon Social Post Feed

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

The Smash Balloon Social Post Feed WordPress plugin before 4.1.6 does not validate and escapes some of its shortcode attributes before outputting them back in the page, which could allow users with a role as low as a contributor to perform Stored Cross-Site Scripting attacks against logged-in admins.

Affected products

• Smashballoon Smash Balloon Social Post Feed: before 4.1.6 (fixed in 4.1.6)

Published 2023-01-16. Last modified 2026-06-17.