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CVE-2023-39999

WordPress < 6.3.2 is vulnerable to Broken Access Control

4.3 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

1.19%Up 1.1 points since Oct 14, 2023
90%50%10%1%

What each source reports

CVE List Score used 4.3

WordPress < 6.3.2 is vulnerable to Broken Access Control

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.

Record
CVE-2023-39999
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
EUVDEUVD-2023-43692 4.3

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.

Record
EUVD-2023-43692
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-4pqc-j77p-x3p2 4.3

Exposure of Sensitive Information to an Unauthorized Actor in WordPress from 6.3 through 6.3.1,...

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.

Record
GHSA-4pqc-j77p-x3p2
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
NVD 4.3

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.

Record
CVE-2023-39999
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
OSV 4.3

WordPress < 6.3.2 is vulnerable to Broken Access Control

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.

Record
CVE-2023-39999
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
OSVDEBIAN-CVE-2023-39999 4.3

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.

Record
DEBIAN-CVE-2023-39999
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2023-39999 4.3

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.

Record
UBUNTU-CVE-2023-39999
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVBIT-wordpress-2023-39999 No score

WordPress < 6.3.2 is vulnerable to Broken Access Control

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.

Record
BIT-wordpress-2023-39999
Updated
2026-11-02
OSVBIT-wordpress-multisite-2023-39999 No score

WordPress < 6.3.2 is vulnerable to Broken Access Control

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.

Record
BIT-wordpress-multisite-2023-39999
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
wordpress
Bitnami
4.1.0 up to 4.1.39, 4.2.0 up to 4.2.36, 4.3.0 up to 4.3.32, 4.4.0 up to 4.4.31, 4.5.0 up to 4.5.30, 4.6.0 up to 4.6.27, 4.7.0 up to 4.7.27, 4.8.0 up to 4.8.23, 4.9.0 up to 4.9.24, 5.0.0 up to 5.0.20, 5.1.0 up to 5.1.17, 5.2.0 up to 5.2.19, 5.3.0 up to 5.3.16, 5.4.0 up to 5.4.14, 5.5.0 up to 5.5.13, 5.6.0 up to 5.6.12, 5.7.0 up to 5.7.10, 5.8.0 up to 5.8.8, 5.9.0 up to 5.9.8, 6.0.0 up to 6.0.6, 6.1.0 up to 6.1.4, 6.2.0 up to 6.2.3, 6.3.0 up to 6.3.2
4.1.394.2.364.3.324.4.314.5.304.6.274.7.274.8.234.9.245.0.205.1.175.2.195.3.165.4.145.5.135.6.125.7.105.8.85.9.86.0.66.1.46.2.36.3.2
wordpress-multisite
Bitnami
4.1.0 up to 4.1.39, 4.2.0 up to 4.2.36, 4.3.0 up to 4.3.32, 4.4.0 up to 4.4.31, 4.5.0 up to 4.5.30, 4.6.0 up to 4.6.27, 4.7.0 up to 4.7.27, 4.8.0 up to 4.8.23, 4.9.0 up to 4.9.24, 5.0.0 up to 5.0.20, 5.1.0 up to 5.1.17, 5.2.0 up to 5.2.19, 5.3.0 up to 5.3.16, 5.4.0 up to 5.4.14, 5.5.0 up to 5.5.13, 5.6.0 up to 5.6.12, 5.7.0 up to 5.7.10, 5.8.0 up to 5.8.8, 5.9.0 up to 5.9.8, 6.0.0 up to 6.0.6, 6.1.0 up to 6.1.4, 6.2.0 up to 6.2.3, 6.3.0 up to 6.3.2
4.1.394.2.364.3.324.4.314.5.304.6.274.7.274.8.234.9.245.0.205.1.175.2.195.3.165.4.145.5.135.6.125.7.105.8.85.9.86.0.66.1.46.2.36.3.2
wordpress
Debian:12
before 6.1.6+dfsg1-0+deb12u1, plus listed versions
6.1.1+dfsg1-1
6.1.6+dfsg1-0+deb12u1
wordpress
Debian:13
before 6.3.2+dfsg1-1
6.3.2+dfsg1-1
wordpress
Debian:14
before 6.3.2+dfsg1-1
6.3.2+dfsg1-1
wordpress
Debian:10
From an advisory covering 2 CVEs
before 5.0.20+dfsg1-0+deb10u1, plus listed versions
5.0.10+dfsg1-0+deb10u15.0.11+dfsg1-0+deb10u15.0.12+dfsg1-0+deb10u15.0.14+dfsg1-0+deb10u15.0.15+dfsg1-0+deb10u1
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5.0.17+dfsg1-0+deb10u15.0.18+dfsg1-0+deb10u15.0.19+dfsg1-0+deb10u15.0.4+dfsg1-15.0.4+dfsg1-1+deb10u15.0.4+dfsg1-1+deb10u2
5.0.20+dfsg1-0+deb10u1
wordpress
Debian:11
From an advisory covering 4 CVEs
before 5.7.11+dfsg1-0+deb11u1, plus listed versions
5.7.1+dfsg1-25.7.3+dfsg1-0+deb11u15.7.5+dfsg1-0+deb11u15.7.8+dfsg1-0+deb11u15.7.8+dfsg1-0+deb11u2
5.7.11+dfsg1-0+deb11u1
wordpress
Debian:12
From an advisory covering 4 CVEs
before 6.1.6+dfsg1-0+deb12u1, plus listed versions
6.1.1+dfsg1-1
6.1.6+dfsg1-0+deb12u1
wordpress
Ubuntu:16.04:LTS
All versions, plus listed versions
4.3+dfsg-14.3.1+dfsg-14.4+dfsg-14.4.1+dfsg-14.4.2+dfsg-14.4.2+dfsg-1ubuntu1
None known
wordpress
Ubuntu:18.04:LTS
All versions, plus listed versions
4.8.2+dfsg-24.8.3+dfsg-14.9.1+dfsg-14.9.2+dfsg-14.9.4+dfsg-14.9.5+dfsg1-1
None known
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Affected packages
PackageAffectedFixed
wordpress
Ubuntu:20.04:LTS
All versions, plus listed versions
5.2.2+dfsg1-15.2.4+dfsg1-15.3.2+dfsg1-15.3.2+dfsg1-1ubuntu1
None known
wordpress
Ubuntu:22.04:LTS
All versions, plus listed versions
5.7.1+dfsg1-2ubuntu15.8.1+dfsg1-2ubuntu15.8.2+dfsg1-1ubuntu15.8.3+dfsg1-1ubuntu15.8.3+dfsg1-1ubuntu1.1
None known
wordpress
Ubuntu:24.04:LTS
All versions, plus listed versions
6.2+dfsg1-1ubuntu16.4.3+dfsg1-1ubuntu1
None known
wordpress
Ubuntu:25.10
All versions, plus listed versions
6.7.2+dfsg1-1.1ubuntu1
None known
wordpress
Ubuntu:26.10
All versions, plus listed versions
6.7.2+dfsg1-1.1ubuntu2
None known
wordpress
Ubuntu:26.04:LTS
All versions, plus listed versions
6.7.2+dfsg1-1.1ubuntu16.7.2+dfsg1-1.1ubuntu2
None known

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-39999 is a medium vulnerability (CVSS 4.3) in Wordpress, published October 13, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.19%, the 68th percentile. Fixed in wordpress 4.1.39.

References

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