CVE-2019-6726: The WP Fastest Cache plugin through 0.8.9.0 for WordPress allows remote attackers to delete arbitrary files because wp_postratings_clear_fastest_cache and rm_folder_recursively in wpFastestCache.php m

medium Affects wp-fastest-cache (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published 2019-07-29; advisory modified 2026-06-17.

The WP Fastest Cache plugin through 0.8.9.0 for WordPress allows remote attackers to delete arbitrary files because wp_postratings_clear_fastest_cache and rm_folder_recursively in wpFastestCache.php m

Package: wp-fastest-cache (WordPress plugin) WordPress
Affected versions: <=0.8.9.0
Fixed in: no fix recorded
Severity: medium CVSS 6.5
Exploitation: not on CISA KEV · EPSS 4% (91.2th percentile)
Published: 2019-07-29
Source: nvd

References

CWE-22

NVD record wp-fastest-cache (WordPress plugin) advisories

Am I affected?

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.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

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

Install docs How findings are ranked

Related advisories

CVE-2023-6063 high The WP Fastest Cache WordPress plugin before 1.2.2 does not properly sanitise and escape a same package: wp-fastest-cache (WordPress plugin)
CVE-2019-13635 critical The WP Fastest Cache plugin through 0.8.9.5 for WordPress allows wpFastestCache.php and in same package: wp-fastest-cache (WordPress plugin)
CVE-2023-1938 high The WP Fastest Cache WordPress plugin before 1.1.5 does not have CSRF check in an AJAX act same package: wp-fastest-cache (WordPress plugin)
CVE-2015-9316 critical The wp-fastest-cache plugin before 0.8.4.9 for WordPress has SQL injection in wp-admin/adm same package: wp-fastest-cache (WordPress plugin)
CVE-2020-36836 high The WP Fastest Cache plugin for WordPress is vulnerable to unauthorized arbitrary file del same package: wp-fastest-cache (WordPress plugin)
CVE-2018-17583 medium The WP Fastest Cache plugin 0.8.8.5 for WordPress has XSS via the rules[0][content] parame same package: wp-fastest-cache (WordPress plugin)