What’s Vulnerable › Vulnerabilities

CVE-2019-20225

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-01-02 · updated 2026-06-17
• Weakness: CWE-601

Description

MyBB before 1.8.22 allows an open redirect on login.

Affected products

• mybb: before 1.8.22 — fixed in 1.8.22

How to fix

Upgrade to a fixed version: mybb 1.8.22. Check the vendor advisory for mitigations.

References

• https://blog.mybb.com/2019/12/30/mybb-1-8-22-released-security-maintenance-release/
• https://mybb.com/versions/1.8.22/
• https://blog.mybb.com/2019/12/30/mybb-1-8-22-released-security-maintenance-release/
• https://mybb.com/versions/1.8.22/

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