Known vulnerabilities in QuickWebP – WebP & AVIF Image Optimizer, Compression & SEO for WordPress

QuickWebP is a WordPress image optimizer that converts JPG and PNG to WebP, compresses uploads locally, improves image SEO, and unlocks AVIF with Quic …

1Reported vulnerabilities

8.1Highest CVSS score

4.0.0Latest version

8,000+Active installs

What to do now

Update QuickWebP – WebP & AVIF Image Optimizer, Compression & SEO for WordPress to 3.2.8 or later. 1 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-2026-42756	High 8.1	0.3%	3.2.7 and earlier	`3.2.8`	May 20, 2026

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