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CVE-2021-24508

MEDIUM 6.1 CVSS 3.1
Published
September 13, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
contact@wpscan.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Description

The Smash Balloon Social Post Feed WordPress plugin before 2.19.2 does not sanitise or escape the feedID POST parameter in its feed_locator AJAX action (available to both authenticated and unauthenticated users) before outputting a truncated version of it in the admin dashboard, leading to an unauthenticated Stored Cross-Site Scripting issue which will be executed in the context of a logged in administrator.

Affected WordPress components

  • Smash Balloon Social Post Feed – Simple Social Feeds for WordPress Plugin · custom-facebook-feed
    Confirmed match Active
    From 2.19.2 (including) to 2.19.2 (excluding)
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Smash Balloon Social Post Feed — From 2.19.2 (including) to 2.19.2 (excluding)
  • smashballoon smash_balloon_social_post_feed — Before 2.19.2

References

  • wpscan.com https://wpscan.com/vulnerability/2b543740-d4b0-49b5-a021-454a3a72162f Exploit, Third Party Advisory
  • nvd.nist.gov Official NVD record