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HuttenlocherTechnologies
MediumCVSS 4.4WordPress plugins & themes

CVE-2026-15647

Brands for WooCommerce: Stored Cross-Site Scripting

The Brands for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'br_brand_tooltip' Term Meta Field in all versions up to, and including, 3.8.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with custom-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Because the payload is stored in term meta rather than post content, the WordPress unfiltered_html capability exception does not apply, meaning Shop Manager-level users — who normally lack unfiltered_html — can fully exploit this vulnerability.

Description from the National Vulnerability Database, published by Wordfence

What to do: Affects up to 3.8.8. Update Brands for WooCommerce to the newest version and check its changelog mentions this fix; if there isn’t one yet, deactivate it until there is.

What it means for a small business

Brands for WooCommerce is a WordPress plugin. If your website uses it, the flaw is on your site whether or not anyone has noticed yet: attackers scan the whole internet for the plugins with published flaws, usually within days of a record like this one going public.

Most small-business sites run 15 to 40 plugins, and few owners know the list. You can check from WordPress itself (Plugins, then Installed Plugins), or let our free plugin check look it up by name.

Check your own setup

  • Is Brands for WooCommerce on the danger list? Our free plugin check shows every recorded flaw for it and the version that fixes each.
  • Website check: reads what your site runs from the outside (WordPress version, plugins it can see, old server software) and matches it against this database.
  • Server check: what your web server says about itself, and whether that version has known flaws.

Part of the Huttenlocher Technologies vulnerability database, refreshed twice a day from CISA and the NVD. The title, category and plain-language guidance are ours; check the linked record before acting on a detail. This is general guidance, not a review of your systems.

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