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High · 7.1 Scanner template Public exploit CVE-2023-30777 EUVD-2023-35139GHSA-c463-967w-9f3r

WordPress Advanced Custom Fields / Advanced Custom Fields PRO plugins <= 6.1.5 vulnerable to Cross Site Scripting (XSS)

Published May 10, 2023 · Updated Apr 28, 2026 · Assigned by Patchstack

Vendor: WP Engine Product: Advanced Custom Fields Product: Advanced Custom Fields PRO

Description

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in WP Engine Advanced Custom Fields Pro, WP Engine Advanced Custom Fields plugins <= 6.1.5 versions.

Affected products

VendorProductAffectedFixed
WP Engine Advanced Custom Fields Pro ≤ 6.1.5 —
WP Engine Advanced Custom Fields ≤ 6.1.5 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • Alucard0x1/CVE-2023-30777 ★ 8 · Jun 17, 2023

    Proof of Concept (PoC) URL generator for a reflected XSS vulnerability in the Advanced Custom Fields WordPress plugin.

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Automated scanner template

A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.

Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.

References