CVE-2023-4819: The Shared Files WordPress plugin before 1.7.6 does not return the right Content-Type header for the specified uploaded file. Therefore, an attacker can upload an allowed file extension injected with

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

The Shared Files WordPress plugin before 1.7.6 does not return the right Content-Type header for the specified uploaded file. Therefore, an attacker can upload an allowed file extension injected with

Package
shared-files (WordPress plugin) WordPress
Affected versions
<1.7.6
Fixed in
1.7.6
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 0% (41.8th percentile)
Published
2023-10-16
Source
nvd

References

NVD recordshared-files (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