CVE-2026-81285

WordPress Smush Image Compression and Optimization plugin <= 4.2.0 - Denial of Service Attack vulnerability

Published Aug 28, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Unauthenticated Denial of Service Attack in Smush Image Compression and Optimization <= 4.2.0 versions.

Remediation

Vendor Solution

Update the WordPress Smush Image Compression and Optimization Plugin to the latest available version (at least 4.3.0).

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Wordpress
Wordpress wordpress
Wpmudev
Wpmudev smush Image Compression And Optimization
Vendors & Products Wordpress
Wordpress wordpress
Wpmudev
Wpmudev smush Image Compression And Optimization
Type Values Removed Values Added
Description Unauthenticated Denial of Service Attack in Smush Image Compression and Optimization <= 4.2.0 versions.
Title WordPress Smush Image Compression and Optimization plugin <= 4.2.0 - Denial of Service Attack vulnerability
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Aug 28, 2026, 3:52 PM
Reserved
Aug 26, 2026, 5:33 PM
Status
Deferred
Published
Aug 28, 2026, 4:18 PM
Modified
Aug 28, 2026, 8:20 PM