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CVE-2024-11420: The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the Contact Info Block link parameter in all versions up to, and including, 2.0.77 due to insufficient input sanitizati

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

The Blocksy theme for WordPress is vulnerable to Stored Cross-Site Scripting via the Contact Info Block link parameter in all versions up to, and including, 2.0.77 due to insufficient input sanitizati

Package
blocksy (WordPress theme) WordPress
Affected versions
<2.0.78
Fixed in
2.0.78
Severity
medium  CVSS 6.4
Exploitation
not on CISA KEV · EPSS 0% (17.2th percentile)
Published
2024-12-05
Source
nvd

References

CWE-79
NVD recordblocksy (WordPress theme) 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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