Threat intelligence

StoreGrowth: Smart Sales Booster for WooCommerce | BOGO, Upsells, Direct Checkout, Quick View, Side Cart <= 2.1.0 - Unauthenticated Stored Cross-Site Scripting via 'message_popup' Parameter

CVE-2026-13440 · storegrowth-sales-booster

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

Vulnerability: StoreGrowth: Smart Sales Booster for WooCommerce | BOGO, Upsells, Direct Checkout, Quick View, Side Cart <= 2.1.0 - Unauthenticated Stored Cross-Site Scripting via 'message_popup' Parameter
Affected software: storegrowth-sales-booster(Plugin)
Affected versions: ≤ 2.1.0
Authentication: Unauthenticated
Vulnerability type: Cross-site scripting
CVE: CVE-2026-13440
Published: 27 July 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 79d4d776-411e-45ec-aff7-23453e686bf2). Methodology and redistribution notes

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