What’s Vulnerable › Vulnerabilities

CVE-2022-2891: WP 2FA < 2.3.0 - Time-Based Side-Channel Attack

• Severity: medium (CVSS 5.9 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: yes
• Published: 2022-10-10 · updated 2026-06-17
• Weakness: CWE-203

Description

The WP 2FA WordPress plugin before 2.3.0 uses comparison operators that don't mitigate time-based attacks, which could be abused to leak information about the authentication codes being compared.

Affected products

• WP 2FA: before 2.3.0 — fixed in 2.3.0

How to fix

Upgrade to a fixed version: WP 2FA 2.3.0. Check the vendor advisory for mitigations.

References

• https://wpscan.com/vulnerability/301b3dce-2584-46ec-92ed-1c0626522120
• https://wpscan.com/vulnerability/301b3dce-2584-46ec-92ed-1c0626522120

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