CVE-2023-39999

WordPress < 6.3.2 is vulnerable to Broken Access Control

MEDIUM
4.3
CVSS Score
Published: October 13, 2023 at 11:31 AM UTC
Updated: October 5, 2026 at 01:16 PM UTC
3 products affected across 3 vendorsFedoraWordPressWordPress

Using WordPress by WordPress.org?

Get instant alerts when new vulnerabilities affect WordPress - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM4.3
Exploit prediction
EPSS 1%

Description

Exposure of Sensitive Information to an Unauthorized Actor in WordPress from 6.3 through 6.3.1, from 6.2 through 6.2.2, from 6.1 through 6.13, from 6.0 through 6.0.5, from 5.9 through 5.9.7, from 5.8 through 5.8.7, from 5.7 through 5.7.9, from 5.6 through 5.6.11, from 5.5 through 5.5.12, from 5.4 through 5.4.13, from 5.3 through 5.3.15, from 5.2 through 5.2.18, from 5.1 through 5.1.16, from 5.0 through 5.0.19, from 4.9 through 4.9.23, from 4.8 through 4.8.22, from 4.7 through 4.7.26, from 4.6 through 4.6.26, from 4.5 through 4.5.29, from 4.4 through 4.4.30, from 4.3 through 4.3.31, from 4.2 through 4.2.35, from 4.1 through 4.1.38.

Affected

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

4.1 ≤ v ≤ 4.1.384.2 ≤ v ≤ 4.2.354.3 ≤ v ≤ 4.3.314.4 ≤ v ≤ 4.4.304.5 ≤ v ≤ 4.5.294.6 ≤ v ≤ 4.6.264.7 ≤ v ≤ 4.7.264.8 ≤ v ≤ 4.8.224.9 ≤ v ≤ 4.9.235.0 ≤ v ≤ 5.0.195.1 ≤ v ≤ 5.1.165.2 ≤ v ≤ 5.2.185.3 ≤ v ≤ 5.3.155.4 ≤ v ≤ 5.4.135.5 ≤ v ≤ 5.5.125.6 ≤ v ≤ 5.6.115.7 ≤ v ≤ 5.7.95.8 ≤ v ≤ 5.8.75.9 ≤ v ≤ 5.9.76.0 ≤ v ≤ 6.0.56.1 ≤ v ≤ 6.1.36.2 ≤ v ≤ 6.2.26.3 ≤ v < 6.3.2
Affected range stops below 6.3.2, so it looks safe — our inference, not a vendor statement
4.1 ≤ v ≤ 4.1.384.2 ≤ v ≤ 4.2.354.3 ≤ v ≤ 4.3.314.4 ≤ v ≤ 4.4.304.5 ≤ v ≤ 4.5.294.6 ≤ v ≤ 4.6.264.7 ≤ v ≤ 4.7.264.8 ≤ v ≤ 4.8.224.9 ≤ v ≤ 4.9.235.0 ≤ v ≤ 5.0.195.1 ≤ v ≤ 5.1.165.2 ≤ v ≤ 5.2.185.3 ≤ v ≤ 5.3.155.4 ≤ v ≤ 5.4.135.5 ≤ v ≤ 5.5.125.6 ≤ v ≤ 5.6.115.7 ≤ v ≤ 5.7.95.8 ≤ v ≤ 5.8.75.9 ≤ v ≤ 5.9.76.0 ≤ v ≤ 6.0.56.1 ≤ v ≤ 6.136.2 ≤ v ≤ 6.2.26.3 ≤ v ≤ 6.3.14.14.24.34.44.54.64.74.84.95.05.15.25.35.45.55.65.75.85.96.06.16.26.3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

4.3MEDIUMPatchstack
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-200NVD-CWE-noinfo

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card