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TI-2023-04428 Aliases CVE-2023-4811GHSA-p3qx-72c8-xc9p

WordPress File Upload < 4.23.3 - Author+ Stored Cross-Site Scripting

Priority MEDIUM 58Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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 Scripting attacks.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00459 40th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed WordPress File Upload (Unknown): 4.23.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownWordPress File Uploadbefore 4.23.34.23.3Patch availableCNA
  • WordPress File Upload VendorUnknown Affected before 4.23.3 Fixed in 4.23.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:iptanus:wordpress_file_upload:*:*:*:*:*:wordpress:*:*before 4.23.3Vulnerablenickboss
  • cpe:2.3:a:iptanus:wordpress_file_upload:*:*:*:*:*:wordpress:*:* Versions before 4.23.3 Vulnerable ·nickboss

Remediation

  • Fix · CNA WordPress File Upload (Unknown) Fixed in 4.23.3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-4811
  2. 2026-10-03 Alias added: GHSA-p3qx-72c8-xc9p

References

Exploit 1

  • TI-2024-08399 Path traversal in nickboss Iptanus File Upload CVSS 3.1CRITICAL 9.8
  • TI-2024-06166 WordPress File Upload < 4.24.8 - Reflected XSS CVSS 3.1MEDIUM 6.1
  • TI-2024-06023 WordPress File Upload < 4.24.8 - Unauthenticated Stored XSS CVSS 3.1MEDIUM 6.1
  • TI-2024-10760 Code injection in nickboss Iptanus File Upload CVSS 3.1CRITICAL 9.8
  • TI-2020-08479 An issue was discovered in the File Upload plugin before 4.13.0 for WordPress. CVSS 3.1CRITICAL 9.8
  • TI-2024-10782 WordPress File Upload <= 4.24.12 - Unuathenticated Remote Code Execution CVSS 3.1CRITICAL 9.8
See all 24 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences