phpwarden
FeaturesComparePricingAdvisoriesBlogDocsChangelogLog in
Log inStart free

CVE-2023-4308: The User Submitted Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘user-submitted-content’ parameter in versions up to, and including, 20230809 due to insufficient inp

high Affects user-submitted-posts (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The User Submitted Posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘user-submitted-content’ parameter in versions up to, and including, 20230809 due to insufficient inp

Package
user-submitted-posts (WordPress plugin) WordPress
Affected versions
<20230811
Fixed in
20230811
Severity
high  CVSS 7.2
Exploitation
not on CISA KEV · EPSS 0% (36.2th percentile)
Published
2023-08-15
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.

# 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