What’s Vulnerable › Vulnerabilities
CVE-2023-5292: Advanced Custom Fields: Extended <= 0.8.9.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
- Severity: medium (CVSS 5.4 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-10-20 · updated 2026-06-17
- Weakness: CWE-79
Description
The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'acfe_form' shortcode in versions up to, and including, 0.8.9.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Affected products
- hwk-fr Advanced Custom Fields: Extended: through 0.8.9.3
References
- https://plugins.trac.wordpress.org/browser/acf-extended/tags/0.8.9.3/includes/modules/form/module-form-front.php#L669
- https://plugins.trac.wordpress.org/browser/acf-extended/tags/0.8.9.4/includes/modules/form/module-form-front.php#L669
- https://plugins.trac.wordpress.org/changeset/2972880/acf-extended#file4
- https://www.wordfence.com/threat-intel/vulnerabilities/id/dcbe0c72-d518-45d3-a220-896a51071b26?source=cve
- https://plugins.trac.wordpress.org/browser/acf-extended/tags/0.8.9.3/includes/modules/form/module-form-front.php#L669
- https://plugins.trac.wordpress.org/browser/acf-extended/tags/0.8.9.4/includes/modules/form/module-form-front.php#L669
- https://plugins.trac.wordpress.org/changeset/2972880/acf-extended#file4
- https://www.wordfence.com/threat-intel/vulnerabilities/id/dcbe0c72-d518-45d3-a220-896a51071b26?source=cve
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