What’s Vulnerable › Vulnerabilities

CVE-2018-20231

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-12-19 · updated 2026-06-17
• Weakness: CWE-352

Description

Cross Site Request Forgery (CSRF) in the two-factor-authentication plugin before 1.3.13 for WordPress allows remote attackers to disable 2FA via the tfa_enable_tfa parameter due to missing nonce validation.

Affected products

• Simbahosting Two-Factor-Authentication: before 1.3.13 — fixed in 1.3.13

How to fix

Upgrade to a fixed version: Simbahosting Two-Factor-Authentication 1.3.13. Check the vendor advisory for mitigations.

References

• https://wordpress.org/plugins/two-factor-authentication/#developers
• https://wpvulndb.com/vulnerabilities/9187
• https://www.privacy-wise.com/two-factor-authentication-cross-site-request-forgery-csrf-vulnerability-cve-2018-20231/
• https://wordpress.org/plugins/two-factor-authentication/#developers
• https://wpvulndb.com/vulnerabilities/9187
• https://www.privacy-wise.com/two-factor-authentication-cross-site-request-forgery-csrf-vulnerability-cve-2018-20231/

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