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CVE-2026-1246— ShortPixel Image Optimizer <= 6.4.2 - Authenticated (Editor+) Arbitrary File Read via 'loadFile' Parameter

Quick assessment

Affected
shortpixel ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF
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.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin ShortPixel Image Optimizer 6.4.2及之前版本存在路径遍历漏洞，该漏洞源于路径验证和清理不足，可能导致任意文件读取。

CVSS 4.9 · Medium EPSS 0.59% · P46

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery
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I. Basic Information for CVE-2026-1246

Vulnerability Information
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Vulnerability Title
ShortPixel Image Optimizer <= 6.4.2 - Authenticated (Editor+) Arbitrary File Read via 'loadFile' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The ShortPixel Image Optimizer plugin for WordPress is vulnerable to Arbitrary File Read via path traversal in the 'loadFile' parameter in all versions up to, and including, 6.4.2 due to insufficient path validation and sanitization in the 'loadLogFile' AJAX action. This makes it possible for authenticated attackers, with Editor-level access and above, to read the contents of arbitrary files on the server, which can contain sensitive information such as database credentials and authentication keys.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin ShortPixel Image Optimizer 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin ShortPixel Image Optimizer 6.4.2及之前版本存在路径遍历漏洞，该漏洞源于路径验证和清理不足，可能导致任意文件读取。
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
shortpixel ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF * ~ 6.4.2 -

II. Public POCs for CVE-2026-1246

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III. Intelligence Information for CVE-2026-1246

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Patches & Fixes for CVE-2026-1246 (3)

IV. Related Vulnerabilities

Same product: ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF
Same vendor: shortpixel
Same weakness: CWE-22

V. Comments for CVE-2026-1246

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