CVE-2026-81285

HIGH 7.5

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

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

Unauthenticated Denial of Service Attack in Smush Image Compression and Optimization <= 4.2.0 versions.

CWE	CWE-770
Vendor	wpmu dev
Product	smush image compression and optimization
Published	Aug 28, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

WPMU DEV / Smush Image Compression and Optimization

n/a ≤ 4.2.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/wp-smushit/vulnerability/wordpress-smush-image-compression-and-optimization-plugin-4-2-0-denial-of-service-attack-vulnerability?_s_id=cve

Credits

Asim Alshaya | Patchstack Bug Bounty Program