CVE-2026-81285 PUBLISHED

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

Assigner: Patchstack
Reserved: 26.08.2026 Published: 28.08.2026 Updated: 28.08.2026

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

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS Score: 7.5

Product Status

Vendor WPMU DEV
Product Smush Image Compression and Optimization
Versions Default: unaffected
  • affected from n/a to 4.2.0 (incl.)

Solutions

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

Credits

  • Asim Alshaya | Patchstack Bug Bounty Program finder

References

Problem Types

  • CWE-770 Allocation of Resources Without Limits or Throttling CWE

Impacts

  • CAPEC-469 HTTP DoS