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WP fail2ban · Security record

Is WP fail2ban safe?

No known vulnerability affects the current version (5.5.0). 7 issues were found in earlier versions and fixed, the latest disclosed on Apr 30, 2026.

Checked 3 days ago against the WPVulnerability database, for version 5.5.0.

How it’s looked after

Last release
Oct 20, 2026 (2 weeks ago)
Releases in the last year
2
Tested up to
WordPress 7.1.4
Support resolved
0 of 1 threads in two months
Active installs
60K+

7 known vulnerabilities

  • 1 high
  • 2 medium
  • 4 not rated

None affects the current version.

Disclosed each year

  • 20191
  • 20223
  • 20231
  • 20261

Every known vulnerability in WP fail2ban

Newest first, with any that affect the current version at the top.

Questions about WP fail2ban’s security

Is WP fail2ban safe to use?

No known vulnerability affects its current version. Earlier versions had issues that are now fixed, so keep WP fail2ban updated: most attacks target sites that haven’t updated.

Does WP fail2ban have known security vulnerabilities?

None that affect the current version. WPVulnerability’s database lists 7 older issues, fixed in earlier versions, so keep WP fail2ban up to date.

Is WP fail2ban still maintained?

Yes. Its last release was 2 weeks ago. Its authors resolved 0 of the 1 support threads opened in the last two months.

Is WP fail2ban compatible with the latest WordPress?

Yes. It’s tested up to WordPress 7.1.4, the current version.

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Vulnerability data from WPVulnerability (CC0), which gathers records from CVE, Wordfence, Patchstack and WPScan. A clean record isn’t a guarantee: keep every plugin updated.