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CVE-2026-54823— WordPress Widget Options plugin <= 4.2.3 - Remote Code Execution (RCE) vulnerability

Quick assessment

Affected
MarketingFire Widget Options
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.

Widget Options是美国Marketing Fire公司的一款服务器软件。 Marketing Fire Widget Options 4.2.3及之前版本存在代码注入漏洞，该漏洞源于代码注入，可能导致远程代码执行。

CVSS 9.9 · Critical EPSS 0.79% · P56

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
MarketingFire Widget Options n/a≤ 4.2.3 affected
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I. Basic Information for CVE-2026-54823

Vulnerability Information
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Vulnerability Title
WordPress Widget Options plugin <= 4.2.3 - Remote Code Execution (RCE) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Contributor Remote Code Execution (RCE) in Widget Options <= 4.2.3 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Marketing Fire Widget Options 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Widget Options是美国Marketing Fire公司的一款服务器软件。 Marketing Fire Widget Options 4.2.3及之前版本存在代码注入漏洞，该漏洞源于代码注入，可能导致远程代码执行。
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
MarketingFire Widget Options n/a ~ 4.2.3 -

II. Public POCs for CVE-2026-54823

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III. Intelligence Information for CVE-2026-54823

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Vendor Advisories for CVE-2026-54823 (1)

IV. Related Vulnerabilities

Same product: Widget Options
Same vendor: MarketingFire
Same weakness: CWE-94

V. Comments for CVE-2026-54823

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