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CVE-2026-6378 · cross-distro fix matrix
CVE-2026-6378: The Maxi Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `/wp-json/maxi-blocks/v1.0/style-card` REST API endpoint in all versions up to, and including, 2.1.9 due to in
Affects 0 Linux releases across 0 (distro × package) combinations. First disclosed: 2026-05-02.
CVSS v3:MEDIUM · 6.4(NVD-published)
Fix per ecosystem
Each block below is a distro release where CVE-2026-6378 has a known fix. Run the listed command on that distro to remediate.
Are YOU affected by CVE-2026-6378?
5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.
curl https://mindsparkstack.com/scan.sh | bash
Continuous monitoring beats manual checking
CVE-2026-6378dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.
See StackPatch ($99 lifetime)