The WP Compress WordPress plugin before 7.10.04 does not validate the value of a query parameter that controls the asset CDN host before using it to build the URLs of JavaScript files emitted on the page, leading to Reflected XSS. When a visitor follows a crafted link, the WP Compress WordPress plugin before 7.10.04's loader injects script elements pointing to an attacker-controlled origin, which lets the attacker execute arbitrary JavaScript in the visitor's session on the target site.

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Fixes

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Workaround

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History

Thu, 23 Jul 2026 08:30:00 +0000

Type Values Removed Values Added
First Time appeared Wordpress
Wordpress wordpress
Wpcompress
Wpcompress wp Compress
Vendors & Products Wordpress
Wordpress wordpress
Wpcompress
Wpcompress wp Compress

Thu, 23 Jul 2026 06:45:00 +0000

Type Values Removed Values Added
Description The WP Compress WordPress plugin before 7.10.04 does not validate the value of a query parameter that controls the asset CDN host before using it to build the URLs of JavaScript files emitted on the page, leading to Reflected XSS. When a visitor follows a crafted link, the WP Compress WordPress plugin before 7.10.04's loader injects script elements pointing to an attacker-controlled origin, which lets the attacker execute arbitrary JavaScript in the visitor's session on the target site.
Title WP Compress < 7.10.04 - Reflected XSS via test_zone
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cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-07-23T06:00:03.157Z

Reserved: 2026-05-20T08:42:05.343Z

Link: CVE-2026-9066

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-23T08:15:03Z

Weaknesses

No weakness.