Known vulnerabilities in Simple Lightbox

The highly customizable lightbox for WordPress

1Reported vulnerabilities

5.9Highest CVSS score

2.9.5Latest version

100,000+Active installs

What to do now

Update Simple Lightbox to 2.9.4 or later. 1 of these have a fixed version available. Updating resolves them.

Plugin last updated: February 24, 2026 / Tested up to WordPress: 6.9.7 / 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.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2025-3516	Medium 5.9	0.3%	Before 2.9.4	`2.9.4`	May 16, 2025

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