CVE-2026-120845: WordPress Smush Image Compression and Optimization plugin <= 4.3.5 - Cross Site Scripting (XSS) vulnerability

Published Nov 6, 2026
·
Updated

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

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade wordpress/wp-smushit to a version that resolves this vulnerability.

    Fixed in 4.3.6

Event History

Nov 6, 2026
CVE Published
via MITRE·10:30 PM
Data Sourced
via MITRE·10:30 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·11:17 PM
DescriptionSeverityWeakness

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