CVE-2026-81285— WordPress Smush Image Compression and Optimization plugin <= 4.2.0 - Denial of Service Attack vulnerability
Quick assessment
Affected
WPMU DEV Smush Image Compression and Optimization
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 Smush 图像压缩与优化插件版本 4.2.0 及更早版本中，存在未认证拒绝服务（Denial of Service, DoS）漏洞。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of ServiceAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| WPMU DEV | Smush Image Compression and Optimization | n/a≤ 4.2.0 |
affected |
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I. Basic Information for CVE-2026-81285
Vulnerability Information
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Vulnerability Title
WordPress Smush Image Compression and Optimization plugin <= 4.2.0 - Denial of Service Attack vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Denial of Service Attack in Smush Image Compression and Optimization <= 4.2.0 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| WPMU DEV | Smush Image Compression and Optimization | n/a ~ 4.2.0 | - |
|
II. Public POCs for CVE-2026-81285
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-81285 (1)
IV. Related Vulnerabilities
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V. Comments for CVE-2026-81285
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