CVE-2026-103070
Received Received - Intake

Stored XSS in ShortPixel Image Optimizer Plugin

Publication date: 2026-10-08

Last updated on: 2026-10-08

Assigner: Patchstack

Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ShortPixel ShortPixel Image Optimizer shortpixel-image-optimiser allows Stored XSS.This issue affects ShortPixel Image Optimizer: from n/a through 6.5.6.

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Meta Information

Published
2026-10-08
Last Modified
2026-10-08
Generated
2026-10-08
AI Q&A
2026-10-08
EPSS Evaluated
N/A
NVD
CVE-2026-103070
EUVD
EUVD-2026-94944

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
ShortPixel ShortPixel Image Optimizer 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

This is a Stored Cross-Site Scripting (XSS) vulnerability in the ShortPixel Image Optimizer plugin for WordPress. It allows attackers to inject malicious scripts into web pages by exploiting improper input neutralization during page generation. The vulnerability exists in versions 6.5.6 and below.

Detection Guidance

This vulnerability requires manual inspection of the ShortPixel Image Optimizer plugin version. Check the installed version in WordPress admin panel under Plugins. If the version is 6.5.6 or below, the system is vulnerable. No specific commands are provided in the context for detection.

Impact Analysis

An attacker could exploit this to inject scripts that steal visitor data or hijack accounts. This requires a privileged user to perform an action like clicking a malicious link or visiting a crafted page. The impact includes potential data theft and unauthorized access to accounts.

Compliance Impact

This vulnerability could potentially impact compliance with GDPR and HIPAA by enabling attackers to inject malicious scripts that steal visitor data or hijack accounts. Stored XSS may lead to unauthorized access to sensitive information, violating data protection requirements under these regulations.

Mitigation Strategies

Update the ShortPixel Image Optimizer plugin to version 6.6.0 or later immediately. If updating is not possible, disable the plugin temporarily or seek assistance from your hosting provider or web developer. Enable auto-updates for vulnerable plugins if using Patchstack.

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