Flex Guten – Multile Blocks

Flex Guten – Multile Blocks has one disclosed vulnerability in the WordSec catalog, all reported in 2025; it is fixed as of September 2026. Their average CVSS score is 6.4, and the most serious one scores 6.4 out of 10.

The most common weakness is Cross-Site Scripting, behind 1 of the records (100%).

The one issue recorded for Flex Guten – Multile Blocks has a vendor fix available, so running the current release closes it.

All of these findings were reported by Peter Thaleikis. Flex Guten – Multile Blocks is installed on roughly 300 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 6.8.8.

Strategic Overview

Avg CVSSMedium

6.4/ 10

Patch Coverage100%

Open

Fixed

Get automatic notifications for all Flex Guten – Multile Blocks vulnerabilities before they are exploited.

Highest severity on recordCVSS 6.4CVE-2025-6256

Flex Guten <= 1.2.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via thumbnailHoverEffect Parameter

Read the full analysis

Vulnerability Records

1 records


2025-08-05 13:00	Flex Guten <= 1.2.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via thumbnailHoverEffect Parameter Flex Guten <= 1.2.5	`CVE-2025-6256`	6.4 Medium	Peter Thaleikis	Yes

Showing 1–1 of 1 reports

Latestv1.2.6

Flex Guten – Multile Blocks

Author

Drag WP

0.0(0)

0/100

Last Updated

2025-08-07 (1y ago)

Active Installs

300+

Downloads

7,601

Requires WP

5.7+

Requires PHP

5.7+

Tested up to

WP 6.8.8

Created

2023-03-11 (4y ago)

Flex Guten allow you to add stunning design blocks on your Gutenberg website. We have built several blocks that you can use for free. We are working on more blocks that we will release here soon. Additionally, you can request new features though our support page. We will add your requested feature in next update. We are building more blocks using our check lists. If you find any bug on our plugins, you can request support through our support page.

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