What’s Vulnerable › Vulnerabilities

CVE-2020-13486

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-05-25 · updated 2026-06-17
• Weakness: CWE-601

Description

The Knock Knock plugin before 1.2.8 for Craft CMS allows malicious redirection.

Affected products

• verbb Knock Knock: before 1.2.8 — fixed in 1.2.8

How to fix

Upgrade to a fixed version: verbb Knock Knock 1.2.8. Check the vendor advisory for mitigations.

References

• https://github.com/verbb/knock-knock/blob/craft-3/CHANGELOG.md
• https://github.com/verbb/knock-knock/blob/craft-3/CHANGELOG.md

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