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Advanced Custom Fields CVE-2023-40068

MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2023-08-21 vultures@jpcert.or.jp
5.4
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
5.4 MEDIUM
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

1
CVE Published
Aug 21, 2023 - 09:15 nvd
MEDIUM 5.4

DescriptionNVD

Cross-site scripting vulnerability in Advanced Custom Fields versions 6.1.0 to 6.1.7 and Advanced Custom Fields Pro versions 6.1.0 to 6.1.7 allows a remote authenticated attacker to execute an arbitrary script on the web browser of the user who is logging in to the product with the administrative privilege.

AnalysisAI

Cross-site scripting vulnerability in Advanced Custom Fields versions 6.1.0 to 6.1.7 and Advanced Custom Fields Pro versions 6.1.0 to 6.1.7 allows a remote authenticated attacker to execute an. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Cross-site scripting vulnerability in Advanced Custom Fields versions 6.1.0 to 6.1.7 and Advanced Custom Fields Pro versions 6.1.0 to 6.1.7 allows a remote authenticated attacker to execute an arbitrary script on the web browser of the user who is logging in to the product with the administrative privilege. Affected products include: Advancedcustomfields Advanced Custom Fields.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

CVE-2023-1196 HIGH POC
8.8 May 02

The Advanced Custom Fields (ACF) Free and Pro WordPress plugins 6.x before 6.1.0 and 5.x before 5.12.5 unserialize user

CVE-2022-2594 HIGH POC
8.8 Aug 22

The Advanced Custom Fields WordPress plugin before 5.12.3, Advanced Custom Fields Pro WordPress plugin before 5.12.3 all

CVE-2026-12526 HIGH POC
8.1 Sep 02

Unauthenticated administrator account takeover in the Advanced Custom Fields: Extended WordPress plugin before 0.9.2.7 i

CVE-2026-80467 HIGH POC
8.1 Sep 02

Privilege escalation to administrator in the Advanced Custom Fields: Extended WordPress plugin before 0.9.2.7 allows una

CVE-2024-9529 MEDIUM POC
6.6 Nov 15

The Secure Custom Fields WordPress plugin before 6.3.9, Secure Custom Fields WordPress plugin before 6.3.6.3, Advanced C

CVE-2024-4565 MEDIUM POC
6.5 Jun 20

The Advanced Custom Fields (ACF) WordPress plugin before 6.3, Advanced Custom Fields Pro WordPress plugin before 6.3 all

CVE-2023-30777 MEDIUM POC
6.1 May 10

Unauth. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low at

CVE-2021-24241 MEDIUM POC
6.1 Apr 22

The Advanced Custom Fields Pro WordPress plugin before 5.9.1 did not properly escape the generated update URL when outpu

CVE-2026-8809 CRITICAL
9.8 May 28

Unauthenticated privilege escalation in the Advanced Custom Fields: Extended (ACFE) WordPress plugin through version 0.9

CVE-2026-48906 CRITICAL
9.3 May 27

Arbitrary file deletion in the Novarain/Tassos Framework system plugin (plg_system_nrframework) and the suite of Tassos.

CVE-2021-20865 HIGH
7.5 Dec 13

Advanced Custom Fields versions prior to 5.11 and Advanced Custom Fields Pro versions prior to 5.11 contain a missing au

CVE-2025-15463 MEDIUM
6.5 May 12

Arbitrary shortcode execution in the Advanced Custom Fields: Extended WordPress plugin (all versions through 0.9.2.3) en

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CVE-2023-40068 vulnerability details – vuln.today

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