Known vulnerabilities in Perfect Images: Regenerate Thumbnails, Image Sizes, WebP & AVIF

Optimize image sizes, regenerate thumbnails, enable retina, convert to WebP/AVIF, or use cloud optimization. An essential image toolkit.

3Reported vulnerabilities

6.1Highest CVSS score

7.1.8Latest version

60,000+Active installs

What to do now

Update Perfect Images: Regenerate Thumbnails, Image Sizes, WebP & AVIF to 6.4.6 or later. 3 of these have a fixed version available. Updating resolves them.

Plugin last updated: June 29, 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-2018-20983	Medium 6.1	0.9%	Before 5.2.3	`5.2.3`	August 22, 2019
CVE-2018-0511	Medium 6.1	0.9%	5.2.0 and earlier	`5.2.2`	November 27, 2017
CVE-2023-44982	Medium 5.3	1.4%	6.4.5 and earlier	`6.4.6`	November 28, 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.