CVE-2026-57623— WordPress W3 Total Cache plugin <= 2.9.4 - Arbitrary Code Execution vulnerability
Quick assessment
Affected
BoldGrid W3 Total Cache
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.
boldgrid W3 Total Cache是boldgrid公司开源的一款网站缓存插件。 WordPress W3 Total Cache 2.9.4及之前版本存在输入验证错误漏洞，该漏洞源于输入验证错误，可能导致未经身份验证的攻击者执行任意代码。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| BoldGrid | W3 Total Cache | n/a≤ 2.9.4 |
affected |
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I. Basic Information for CVE-2026-57623
Vulnerability Information
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Vulnerability Title
WordPress W3 Total Cache plugin <= 2.9.4 - Arbitrary Code Execution vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Arbitrary Code Execution in W3 Total Cache <= 2.9.4 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1284
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress W3 Total Cache 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
boldgrid W3 Total Cache是boldgrid公司开源的一款网站缓存插件。 WordPress W3 Total Cache 2.9.4及之前版本存在输入验证错误漏洞，该漏洞源于输入验证错误，可能导致未经身份验证的攻击者执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| BoldGrid | W3 Total Cache | n/a ~ 2.9.4 | - |
|
II. Public POCs for CVE-2026-57623
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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V. Comments for CVE-2026-57623
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