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CVE-2024-13675: The SlingBlocks – Gutenberg Blocks by FunnelKit (Formerly WooFunnels) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the "Icon List" Block in all versions up to, and including,

medium Affects slingblocks (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The SlingBlocks – Gutenberg Blocks by FunnelKit (Formerly WooFunnels) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the "Icon List" Block in all versions up to, and including,

Package
slingblocks (WordPress plugin) WordPress
Affected versions
<1.6.0
Fixed in
1.6.0
Severity
medium  CVSS 6.4
Exploitation
not on CISA KEV · EPSS 0% (12.5th percentile)
Published
2025-03-08
Source
nvd

References

CWE-79
NVD recordslingblocks (WordPress plugin) advisories

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# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden wordpress /var/www/html

# or, without Composer
pipx install phpwarden   &&   phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

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