CVE-2026-120845

WordPress Smush Image Compression and Optimization plugin <= 4.3.5 - Cross Site Scripting (XSS) vulnerability

Published Nov 6, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPMU DEV Smush Image Compression and Optimization wp-smushit allows Stored XSS.This issue affects Smush Image Compression and Optimization: from n/a through 4.3.5.

Remediation

Vendor Solution

Update the WordPress Smush Image Compression and Optimization plugin to the latest available version (at least 4.3.6).

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Wordpress-extensions
Wordpress-extensions smush Image Compression And Optimization
Wpmudev
Wpmudev smush Image Compression And Optimization
Vendors & Products Wordpress-extensions
Wordpress-extensions smush Image Compression And Optimization
Wpmudev
Wpmudev smush Image Compression And Optimization
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPMU DEV Smush Image Compression and Optimization wp-smushit allows Stored XSS.This issue affects Smush Image Compression and Optimization: from n/a through 4.3.5.
Title WordPress Smush Image Compression and Optimization plugin <= 4.3.5 - Cross Site Scripting (XSS) vulnerability
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Nov 7, 2026, 6:06 PM
Reserved
Nov 3, 2026, 12:24 AM
Status
Deferred
Published
Nov 6, 2026, 11:17 PM
Modified
Nov 7, 2026, 6:17 PM