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Advanced Custom Fields vulnerabilities
Advanced Custom Fields has 4 known vulnerabilities in this database. The most recent published record is dated 15 May 2026.
- Known vulnerabilities
- 4
- Active installs
- 90,000+
- Latest version
- 6.2.0
- Last updated
- 25 Aug 2026
- Most recent
- 15 May 2026
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Cross-site scripting (XSS) CVE-2026-6415 | Medium 6.4 | Up to 5.0.2 | Fixed in a later version (latest 6.2.0) | 15 May 2026 |
| Cross-site scripting (XSS) CVE-2025-14983 | Medium 6.4 | Up to 5.0.1 | Fixed in a later version (latest 6.2.0) | 19 Feb 2026 |
| Cross-site scripting (XSS) Also reported by JVN Japan CVE-2024-45429 | Medium 5.4 | Not yet published | Check for an update | 4 Sep 2024 |
| Arbitrary file upload CVE-2022-2594 | High 8.8 | Before 5.12.3 | Fixed in 5.12.3 | 22 Aug 2022 |
Read the published descriptions
- CVE-2026-6415, 15 May 2026
- The Advanced Custom Fields: Font Awesome plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 5.0.2. This is due to insufficient input validation of JSON field values and unsafe client-side HTML construction in the update_preview() JavaScript function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. CVE record
- CVE-2025-14983, 19 Feb 2026
- The Advanced Custom Fields: Font Awesome Field plugin for WordPress is vulnerable to Cross-Site Scripting in all versions up to, and including, 5.0.1 due to insufficient input sanitization and output escaping. This makes it possible forauthenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts that execute in a victim's browser. CVE record
- CVE-2024-45429, 4 Sep 2024
- The field labels in WordPress Plugin "Advanced Custom Fields" provided by WP Engine contains a cross-site scripting vulnerability (CWE-79). Ryo Sotoyama of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership. CVE record
- CVE-2022-2594, 22 Aug 2022
- The Advanced Custom Fields WordPress plugin before 5.12.3, Advanced Custom Fields Pro WordPress plugin before 5.12.3 allows unauthenticated users to upload files allowed in a default WP configuration (so PHP is not possible) if there is a frontend form available. This vulnerability was introduced in the 5.0 rewrite and did not exist prior to that release. CVE record
What to do if you run Advanced Custom Fields
If you run Advanced Custom Fields, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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