Known vulnerabilities in Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning

Smart WordPress security that blocks bots automatically, guides you to what matters, and repairs problems — without drowning you in noise.

11Reported vulnerabilities

9.8Highest CVSS score

22.1.3Latest version

30,000+Active installs

What to do now

Update Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning to 21.0.10 or later. 11 of these have a fixed version available. Updating resolves them.

Plugin last updated: June 9, 2026 / Tested up to WordPress: 7.0.4 / View on wordpress.org

Reported vulnerabilities

Ordered by how urgently they need attention — whether a vulnerability is actually being exploited, and how likely exploitation is, rather than CVSS severity alone.

CVE	Severity	Exploit probability next 30 days	Affected versions	Fixed in	Published
CVE-2023-0992	Medium 6.1	93.0%	17.0.17 and earlier	`17.0.18`	June 9, 2023
CVE-2023-6989	Critical 9.8	56.6%	Before 18.5.10	`18.5.10`	February 5, 2024
CVE-2024-7313	Medium 6.1	1.6%	Before 20.0.6	`20.0.6`	August 26, 2024
CVE-2022-0211	Medium 4.8	0.6%	Before 13.0.6	`13.0.6`	February 21, 2022
CVE-2024-22163	High 7.2	0.3%	18.5.7 and earlier	`18.5.8`	January 16, 2024
CVE-2026-0722	Medium 6.5	0.5%	0 to 21.0.8 (inclusive)	`21.0.10`	February 19, 2026
CVE-2026-0561	Medium 6.1	0.6%	21.0.8 and earlier	`21.0.10`	February 18, 2026
CVE-2023-0993	Medium 4.3	0.5%	17.0.17 and earlier	`17.0.18`	June 9, 2023
CVE-2025-14427	Medium 4.3	0.2%	21.0.9 and earlier	`21.0.10`	February 18, 2026
CVE-2025-15370	Medium 4.3	0.3%	0 to 21.0.9 (inclusive)	`21.0.10`	January 16, 2026
CVE-2024-4344	Medium 4.3	0.2%	0 to 19.1.10 (inclusive)	`19.1.11`	June 2, 2024

Sources: vulnerability records from NVD, exploitation from CISA KEV, exploit probability from EPSS. Affected versions come from CPE ranges or from the reporting CNA.