Description
The Advanced Custom Fields: Extended WordPress plugin before 0.9.2.8, Advanced Custom Fields: Extended PRO WordPress plugin before 0.9.2.8 does not validate or escape some of its form shortcode attributes, which can be pointed at values taken from the visitor's own request and are then output without escaping, allowing users with a role as low as contributor to have arbitrary script run in the browser of anyone led to open a crafted link or page, including a logged-in administrator.
This is an incomplete fix for CVE-2023-5292, whose deny-list covers only the three HTML wrapper attributes.
Published: 2026-10-23
Score: 6.8 Medium
EPSS: < 1% Very Low
KEV: No
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Fri, 23 Oct 2026 11:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Fri, 23 Oct 2026 08:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Fri, 23 Oct 2026 06:15:00 +0000

Type Values Removed Values Added
Description The Advanced Custom Fields: Extended WordPress plugin before 0.9.2.8, Advanced Custom Fields: Extended PRO WordPress plugin before 0.9.2.8 does not validate or escape some of its form shortcode attributes, which can be pointed at values taken from the visitor's own request and are then output without escaping, allowing users with a role as low as contributor to have arbitrary script run in the browser of anyone led to open a crafted link or page, including a logged-in administrator. This is an incomplete fix for CVE-2023-5292, whose deny-list covers only the three HTML wrapper attributes.
Title Advanced Custom Fields: Extended 0.8.9.4 - 0.9.2.7 - Contributor+ XSS via Form Shortcode Attributes
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-10-23T10:46:02.895Z

Reserved: 2026-09-21T09:05:55.313Z

Link: CVE-2026-94264

cve-icon Vulnrichment

Updated: 2026-10-23T10:35:46.475Z

cve-icon NVD

Status : Received

Published: 2026-10-23T06:17:08.103

Modified: 2026-10-23T12:18:19.427

Link: CVE-2026-94264

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-23T07:45:17Z

Weaknesses
  • CWE-79

    Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')