CVE-2023-4811

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

MEDIUM

5.4

CVSS Score

Published: October 16, 2023 at 07:39 PM UTC

Updated: June 17, 2026 at 06:38 AM UTC

1 product affected across 1 vendorWordPress File Upload

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Severity

MEDIUM5.4

Exploit prediction

EPSS 0.5%

SSVC

PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

WordPress File Upload · Iptanuswordpress-plugin

95%

v < 4.23.3

Affected range stops below 4.23.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical DescriptionThird Party Advisory

Source: [email protected]

https://wpscan.com/vulnerability/7f9271f2-4de4-4be3-8746-2a3f149eb1d1

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: LOW
User Interaction: REQUIRED
Scope: CHANGED
Confidentiality: LOW
Integrity: LOW
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

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