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CVE-2023-4308

MEDIUM 5.4 CVSS 3.1
Published
August 15, 2023
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Description

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 input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected WordPress components

  • User Submitted Posts – Enable Users to Submit Posts from the Front End Plugin · user-submitted-posts
    Confirmed match Active
    Up to and including 20230809
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • specialk User Submitted Posts – Enable Users to Submit Posts from the Front End — Up to and including 20230809
  • plugin-planet user_submitted_posts — Before 20230811

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/2952471/user-submitted-posts Patch
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/3bb4d37c-c4c2-4523-9b4e-73ffb7be81ea?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record