WP Security CheckVulnerability data as of October 17, 2026

Known vulnerabilities in Flying Scripts: Delay JavaScript to Improve Site Speed & Performance

Delay JavaScript to improve speed and performance by loading scripts only when needed, reducing render-blocking for a faster and smoother user experie …

1Reported vulnerabilities
7.2Highest CVSS score
1.2.5Latest version
30,000+Active installs

What to do now

Update Flying Scripts: Delay JavaScript to Improve Site Speed & Performance to 1.2.5 or later. 1 of these have a fixed version available. Updating resolves them.

Plugin last updated: October 10, 2026 / Tested up to WordPress: 7.0.7 / 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-2026-109990 High 7.2 0.3% 0 to 1.2.4 (inclusive) 1.2.5 October 16, 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.