Blog Designer – Post and Widget

Blog Designer – Post and Widget has 3 disclosed vulnerabilities in the WordSec catalog, reported between 2023 and 2026; all 3 are fixed as of September 2026. Their average CVSS score is 7.2, and the most serious one scores 9.8 out of 10. Severity breakdown: 1 critical and 0 high. 2023 was the busiest year with 2 disclosures.

The most common weakness is Cross-Site Scripting, behind 1 of the records (33%). Other recurring categories include Embedded Malicious Code, Missing Authorization.

Every one of the 3 issues recorded for Blog Designer – Post and Widget has a vendor fix available, so running the current release closes all known holes.

3 independent researchers contributed these findings, one record each.

Strategic Overview

Avg CVSSHigh

7.2/ 10

Patch Coverage100%

Open

Fixed

Get automatic notifications for all Blog Designer – Post and Widget vulnerabilities before they are exploited.

Highest severity on recordCVSS 9.8CVE-2026-6443

Essentialplugin Plugins (Various Versions) - Injected Backdoor

Read the full analysis

Vulnerability Records

3 records


2026-04-09 00:00	Essentialplugin Plugins (Various Versions) - Injected Backdoor Blog Designer 2.7.7	`CVE-2026-6443`	9.8 Critical	Cooties	Yes
2023-08-16 00:00	Multiple WPOnlineSupport Plugins <= (Various Versions) - Missing Authorization to Notice Dismissal Blog Designer <= 2.5.1	`CVE-2023-40200`	5.3 Medium	Abdi Pranata	Yes
2023-01-04 00:00	Blog Designer - Post and Widget <= 2.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Blog Designer <= 2.3	`CVE-2022-4793`	6.4 Medium	István Márton	Yes

Showing 1–3 of 3 reports