What’s Vulnerable › Vulnerabilities

CVE-2020-36172

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-01-06 · updated 2026-06-17
• Weakness: CWE-79

Description

The Advanced Custom Fields plugin before 5.8.12 for WordPress mishandles the escaping of strings in Select2 dropdowns, potentially leading to XSS.

Affected products

• WP Engine Advanced Custom Fields: before 5.8.12 — fixed in 5.8.12

How to fix

Upgrade to a fixed version: WP Engine Advanced Custom Fields 5.8.12. Check the vendor advisory for mitigations.

References

• https://wordpress.org/plugins/advanced-custom-fields/#developers
• https://wordpress.org/plugins/advanced-custom-fields/#developers

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