CVE-2021-24747: SEO Booster < 3.8 - Admin+ SQL Injection

Severity: high (CVSS 7.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-12-13 · updated 2026-06-17
Weakness: CWE-89

Description

The SEO Booster WordPress plugin before 3.8 allows for authenticated SQL injection via the "fn_my_ajaxified_dataloader_ajax" AJAX request as the $_REQUEST['order'][0]['dir'] parameter is not properly escaped leading to blind and error-based SQL injections.

Affected products

cleverplugins SEO Booster: before 3.8 — fixed in 3.8

How to fix

Upgrade to a fixed version: cleverplugins SEO Booster 3.8. Check the vendor advisory for mitigations.

References

https://plugins.trac.wordpress.org/changeset/2637115
https://wpscan.com/vulnerability/40849d93-8949-4bd0-b60e-c0330b385fea
https://plugins.trac.wordpress.org/changeset/2637115
https://wpscan.com/vulnerability/40849d93-8949-4bd0-b60e-c0330b385fea

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