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CVE-2024-13537: The C9 Blocks plugin for WordPress is vulnerable to Full Path Disclosure in all versions up to, and including, 1.7.7. This is due the plugin containing a publicly accessible composer-setup.php file wi

medium Affects c9-blocks (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The C9 Blocks plugin for WordPress is vulnerable to Full Path Disclosure in all versions up to, and including, 1.7.7. This is due the plugin containing a publicly accessible composer-setup.php file wi

Package
c9-blocks (WordPress plugin) WordPress
Affected versions
<=1.7.7
Fixed in
no fix recorded
Severity
medium  CVSS 5.3
Exploitation
not on CISA KEV · EPSS 0% (28.3th percentile)
Published
2025-02-21
Source
nvd

References

CWE-209
NVD recordc9-blocks (WordPress plugin) advisories

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Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# 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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