phpwarden
FeaturesComparePricingAdvisoriesBlogDocsChangelogLog in
Log inStart free

CVE-2023-4779: The User Submitted Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's [usp_gallery] shortcode in versions up to, and including, 20230811 due to insufficient input

medium Affects user-submitted-posts (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The User Submitted Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's [usp_gallery] shortcode in versions up to, and including, 20230811 due to insufficient input

Package
user-submitted-posts (WordPress plugin) WordPress
Affected versions
<=20230811
Fixed in
no fix recorded
Severity
medium  CVSS 6.4
Exploitation
not on CISA KEV · EPSS 0% (32.4th percentile)
Published
2023-09-06
Source
nvd

References

CWE-79
NVD recorduser-submitted-posts (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