phpwarden
FeaturesComparePricingAdvisoriesBlogDocsChangelogLog in
Log inStart free

CVE-2023-4811: The WordPress File Upload WordPress plugin before 4.23.3 does not sanitise and escape some of its settings, which could allow high privilege users such as contributors to perform Stored Cross-Site Scr

medium Affects wordpress-file-upload (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The WordPress File Upload WordPress plugin before 4.23.3 does not sanitise and escape some of its settings, which could allow high privilege users such as contributors to perform Stored Cross-Site Scr

Package
wordpress-file-upload (WordPress plugin) WordPress
Affected versions
<4.23.3
Fixed in
4.23.3
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 0% (39.8th percentile)
Published
2023-10-16
Source
nvd

References

NVD recordwordpress-file-upload (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