WP Vulnerability WatchVulnerability data as of September 7, 2026

Known vulnerabilities in Instant CSS

Write your styles beautifully with the power of Visual Studio Code

2Reported vulnerabilities
5.3Highest CVSS score
1.2.2Latest version
3,000+Active installs

What to do now

Update Instant CSS to 1.2.2 or later. 2 of these have a fixed version available. Updating resolves them.

Plugin last updated: September 21, 2023 / Tested up to WordPress: 6.3.10 / View on wordpress.org

This plugin has not been updated in over two years. New vulnerabilities may never be fixed. Consider an alternative.

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-2023-38483 Medium 5.3 0.5% 1.1.4 and earlier 1.1.5 July 24, 2023
CVE-2023-44243 Medium 4.3 0.2% 1.2.1 and earlier 1.2.2 September 29, 2023

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