WP Vulnerability WatchVulnerability data as of September 7, 2026

Known vulnerabilities in Highlighting Code Block

Add code block with syntax highlighting using prism.js. (Available for Gutenberg and Classic Editor)

1Reported vulnerabilities
4.4Highest CVSS score
2.2.1Latest version
10,000+Active installs

What to do now

Update Highlighting Code Block to 2.2.1 or later. 1 of these have a fixed version available. Updating resolves them.

Plugin last updated: July 1, 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-2026-12108 Medium 4.4 0.3% 0 to 2.2.0 (inclusive) 2.2.1 July 10, 2026

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