WP Vulnerability WatchVulnerability data as of September 7, 2026

Known vulnerabilities in Insert Special Characters

A Special Character inserter for the WordPress block editor (Gutenberg).

4Reported vulnerabilities
7.8Highest CVSS score
1.1.3Latest version
3,000+Active installs

What to do now

Update Insert Special Characters to 1.0.5 or later. 4 of these have a fixed version available. Updating resolves them.

Plugin last updated: May 12, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVESeverityExploit probability
next 30 days		 Affected versionsFixed inPublished
CVE-2021-43138 High 7.8 3.3% 1.0.4 and earlier 1.0.5 April 7, 2022
CVE-2022-24775 High 7.5 2.5% 1.0.4 and earlier 1.0.5 July 19, 2022
CVE-2021-43307 High 7.5 1.6% 1.0.4 and earlier 1.0.5 May 13, 2022
WF-aa13c293-0530-478c-acfc-f7d69edae318 High 7.5 — 1.0.4 and earlier 1.0.5 September 9, 2021

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.