Software intelligence
Important: Flatastic appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works
Tracked advisories
2
Latest advisory
20 August 2026
CISA KEV matches
0
In this WordPress feed
WordPress slug
flatastic
Plugin
This catalog lists 2 known advisories affecting Flatastic. The most recent was published on 20 August 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.
Flatastic - Versatile MultiVendor WordPress Theme <= 2.0 - Unauthenticated Stored Cross-Site Scripting
May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Published 20 August 2026
Flatastic <= 2.0 - Unauthenticated PHP Object Injection
This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Published 20 August 2026
Known Flatastic advisories published by month.
CVE-2026-66673 · Published 20 August 2026
Affected versions: ≤ 2.0
CVE-2026-66672 · Published 20 August 2026
Affected versions: ≤ 2.0
SiteRespond Defence matches your installed Flatastic version against this catalog when the Defence plugin is connected to your WordPress site.