Known vulnerabilities in Serious Slider

Serious Slider is a free highly efficient SEO friendly fully translatable accessibility ready image slider for WordPress. Seriously!

4Reported vulnerabilities

6.4Highest CVSS score

1.4.1Latest version

20,000+Active installs

What to do now

Update Serious Slider to 1.4.1 or later. 4 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 10, 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.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2026-15726	Medium 6.4	0.2%	0 to 1.4.0 (inclusive)	`1.4.1`	August 16, 2026
CVE-2024-35762	Medium 4.4	0.3%	1.2.4 and earlier	`1.2.5`	June 17, 2024
CVE-2026-25399	Medium 4.3	0.2%	1.2.7 and earlier	`1.3.0`	January 30, 2026
CVE-2024-33650	Medium 4.3	0.2%	1.2.4 and earlier	`1.2.5`	April 25, 2024

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