CVE-2023-39999 | WordPress < 6.3.2 is vulnerable to Broken Access Control

Exp

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.

Published: 2023-10-13 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-39999 is rated Exploit Available (59.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.01%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2023-39999

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2023-39999

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-17 0.90% 1.01% +0.11%
2 2026-03-04 0.49% 0.90% +0.41%
3 2026-03-01 0.49%

Full EPSS history (51 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-39999

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 1.4 [email protected]
4.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 1.4 [email protected]

Weakness enumeration for CVE-2023-39999

OS Trackers for CVE-2023-39999

vendor priority summary link
debian not yet assigned CVE-2023-39999 not yet assigned priority: Debian including 1 source packages (wordpress), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2023-39999
ubuntu medium CVE-2023-39999 medium priority: Ubuntu including 1 source packages (wordpress), 12 status rows across 12 suites (bionic, focal, jammy, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): needs-triage 7, ignored 5. https://ubuntu.com/security/CVE-2023-39999

Affected software / configurations for CVE-2023-39999

Vendor Product Version Raw CPE
wordpress wordpress >= 4.1, <= 4.1.38 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 4.2, <= 4.2.35 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 4.3, <= 4.3.31 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 4.4, <= 4.4.30 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 4.5, <= 4.5.29 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 4.6, <= 4.6.26 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 4.7, <= 4.7.26 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 4.8, <= 4.8.22 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 4.9, <= 4.9.23 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 5.0, <= 5.0.19 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 5.1, <= 5.1.16 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 5.2, <= 5.2.18 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 5.3, <= 5.3.15 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 5.4, <= 5.4.13 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 5.5, <= 5.5.12 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 5.6, <= 5.6.11 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 5.7, <= 5.7.9 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 5.8, <= 5.8.7 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 5.9, <= 5.9.7 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 6.0, <= 6.0.5 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 6.1, <= 6.1.3 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 6.2, <= 6.2.2 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
wordpress wordpress >= 6.3, < 6.3.2 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
fedoraproject fedora 37 cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
fedoraproject fedora 38 cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*

References for CVE-2023-39999

URL Tags
https://lists.debian.org/debian-lts-announce/2023/11/msg00014.html Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/2EVFT4DPZRFTXJPEPADM22BZVIUD2P66/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/GCCVDPKOK57WCTH2QJ5DJM3B53RJNZKA/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/WQBL4ZQCBFNQ76XHM5257CIBFQRGT5QY/ Mailing List Third Party Advisory
https://patchstack.com/articles/wordpress-core-6-3-2-security-update-technical-advisory?_s_id=cve Exploit Patch Third Party Advisory
https://patchstack.com/database/vulnerability/wordpress/wordpress-wordpress-core-core-6-3-2-contributor-comment-read-on-private-and-password-protected-post-vulnerability?_s_id=cve Third Party Advisory
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