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CRITICAL

CVE-2021-24863

CVSS v3

9.8

CRITICAL

EPSS Score

1.6 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

The WP Block and Stop Bad Bots Crawlers and Spiders and Anti Spam Protection Plugin StopBadBots WordPress plugin before 6.67 does not sanitise and escape the User Agent before using it in a SQL statement to save it, leading to a SQL injection

Technical details

Published
2021-12-13

Frequently asked questions

What is CVE-2021-24863?

The WP Block and Stop Bad Bots Crawlers and Spiders and Anti Spam Protection Plugin StopBadBots WordPress plugin before 6.67 does not sanitise and escape the User Agent before using it in a SQL statement to save it, leading to a SQL injection

Is CVE-2021-24863 actively exploited?

Active exploitation of CVE-2021-24863 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-24863?

CVE-2021-24863 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-24863 affecting your environment?

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