What’s Vulnerable › Vulnerabilities

CVE-2021-37598

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-19 · updated 2026-06-17
• Weakness: CWE-863

Description

WP Cerber before 8.9.3 allows bypass of /wp-json access control via a trailing ? character.

Affected products

• Wpcerber Wp Cerber: before 8.9.3 — fixed in 8.9.3

How to fix

Upgrade to a fixed version: Wpcerber Wp Cerber 8.9.3. Check the vendor advisory for mitigations.

References

• https://github.com/fireeye/Vulnerability-Disclosures
• https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0024/FEYE-2021-0024.md
• https://github.com/fireeye/Vulnerability-Disclosures
• https://github.com/fireeye/Vulnerability-Disclosures/blob/master/FEYE-2021-0024/FEYE-2021-0024.md

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