TI-2023-04867 Aliases CVE-2023-5292 GHSA-8q5v-q254-rx9v

Advanced Custom Fields: Extended <= 0.8.9.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode

LOW 29CWE-79Published 2023-10-20 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00418 36th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
hwk-fr	Advanced Custom Fields: Extended	up to 0.8.9.3	—	No fix listed	CNA

Advanced Custom Fields: Extended Vendorhwk-fr Affected up to 0.8.9.3 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:acfextended:advanced_custom_fields_extended::::::wordpress::*	up to 0.8.9.3	Vulnerable	Acfextended

cpe:2.3:a:acfextended:advanced_custom_fields_extended:*:*:*:*:*:wordpress:*:* Versions up to 0.8.9.3 Vulnerable ·Acfextended

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-5292
2026-10-03 Alias added: GHSA-8q5v-q254-rx9v

References

Patch 1

https://plugins.trac.wordpress.org/changeset/2972880/acf-extended#file4

Advisory 1

https://www.wordfence.com/threat-intel/vulnerabilities/id/dcbe0c72-d518-45d3-a220-896a51071b26?source=cve

Other 2

TI-2025-12329 Advanced Custom Fields: Extended 0.9.0.5 - 0.9.1.1 - Unauthenticated Remote Code Execution in prepare_form CVSS 3.1CRITICAL 9.8
TI-2025-13276 Advanced Custom Fields: Extended <= 0.9.2.1 - Unauthenticated Privilege Escalation via Insert User Form Action CVSS 3.1CRITICAL 9.8
TI-2026-07743 Improper privilege management in hwk-fr Advanced Custom Fields: Extended CVSS 3.1CRITICAL 9.8
TI-2026-83241 Advanced Custom Fields: Extended exposes user password hashes CVSS 3.1HIGH 7.5
TI-2025-14104 Advanced Custom Fields: Extended <= 0.9.2.3 - Unauthenticated Arbitrary Shortcode Execution CVSS 3.1MEDIUM 6.5
TI-2024-21446 WordPress WP 404 Auto Redirect to Similar Post plugin <= 1.0.4 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1

See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences