CVE-2022-4445: The FL3R FeelBox WordPress plugin through 8.1 does not properly sanitise and escape a parameter before using it in a SQL statement via an AJAX action available to unauthenticated users, leading to a S

critical Affects fl3r-feelbox (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The FL3R FeelBox WordPress plugin through 8.1 does not properly sanitise and escape a parameter before using it in a SQL statement via an AJAX action available to unauthenticated users, leading to a S

Package
fl3r-feelbox (WordPress plugin) WordPress
Affected versions
<=8.1
Fixed in
no fix recorded
Severity
critical  CVSS 9.8
Exploitation
not on CISA KEV · EPSS 1% (64.2th percentile)
Published
2023-02-13
Source
nvd

References

CWE-89
NVD recordfl3r-feelbox (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.

# 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.

Install docs   How findings are ranked

Related advisories