Threat intelligence

WP Tab Widget <= 1.2.11 - Authenticated (Contributor+) Stored Cross-Site Scripting

CVE-2026-66646 · wp-tab-widget

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Wp Tab Widget at a vulnerable version. How SiteRespond intelligence works

Vulnerability: WP Tab Widget <= 1.2.11 - Authenticated (Contributor+) Stored Cross-Site Scripting
Affected software: wp-tab-widget(Plugin)
Affected versions: ≤ 1.2.11
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-66646
Published: 18 August 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory 3061939e-cf44-41fb-a8f6-5166345df43f). Methodology and redistribution notes

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