Threat intelligence

WP Compress – Instant Performance & Speed Optimization < 7.20.01 - Unauthenticated Remote Code Execution

CVE-2026-73343 · wp-compress-image-optimizer

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Wp Compress Image Optimizer at a vulnerable version. How SiteRespond intelligence works

Vulnerability: WP Compress – Instant Performance & Speed Optimization < 7.20.01 - Unauthenticated Remote Code Execution
Affected software: wp-compress-image-optimizer(Plugin)
Affected versions: < 7.20.01
Authentication: Unauthenticated
Vulnerability type: Remote code execution
CVE: CVE-2026-73343
Published: 18 August 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run arbitrary code on the server if exploited.
Source: Data imported from Wordfence Intelligence (advisory 5a0612de-0f85-44d3-9b81-1a6a7720a03a). Methodology and redistribution notes

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