Known vulnerabilities in Converter for Media – Optimize images | Convert WebP & AVIF

Speed up your website by using our WebP & AVIF Converter. Optimize images and serve WebP and AVIF images instead of standard formats!

4Reported vulnerabilities

8.8Highest CVSS score

6.6.4Latest version

500,000+Active installs

What to do now

Update Converter for Media – Optimize images | Convert WebP & AVIF to 6.5.2 or later. 4 of these have a fixed version available. Updating resolves them.

Plugin last updated: August 5, 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-2021-25074	Medium 6.1	2.2%	Before 4.0.3	`4.0.3`	January 24, 2022
CVE-2019-15834	High 8.8	0.7%	Before 1.0.3	`1.0.3`	August 30, 2019
CVE-2026-1356	Medium 4.8	0.2%	0 to 6.5.1 (inclusive)	`6.5.2`	February 12, 2026
CVE-2025-13750	Medium 4.3	0.3%	0 to 6.3.2 (inclusive)	`6.4.0`	December 17, 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.