Known vulnerabilities in Thumbnail Slider With Lightbox

This is a beautiful responsive thumbnail slider for WordPress blogs and sites with responsive lightbox. Admin can manage any number of images into the …

6Reported vulnerabilities

8.8Highest CVSS score

1.0.22Latest version

700+Active installs

What to do now

Update Thumbnail Slider With Lightbox to 1.0.5 or later. 6 of these have a fixed version available. Updating resolves them.

Plugin last updated: June 2, 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-2023-5820	High 8.8	0.3%	1.0 to 1.0 (inclusive)	`1.0.1`	October 27, 2023
WF-33b92a86-bb3e-4307-b2cb-7dfde56505cc	High 8.2	—	1.0.17 and earlier	`1.0.18`	April 25, 2023
CVE-2023-5821	Medium 6.5	0.3%	1.0 to 1.0 (inclusive)	`1.0.1`	October 27, 2023
CVE-2015-10146	Medium 4.9	0.3%	1.0.4 and earlier	`1.0.5`	October 29, 2025
CVE-2023-5621	Medium 4.8	0.4%	1.0 to 1.0 (inclusive)	`1.0.1`	October 18, 2023
CVE-2023-5531	Medium 4.3	0.3%	1.0 and earlier	`1.0.1`	October 12, 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.