XO Security

83 Quality Score

Active Installs

20/30

The 30,000 active installs is modest compared to the multi-million-install alternatives, which keeps the popularity score capped, but the install base is still large enough to indicate steady niche adoption.

Update Freshness

25/25

With an update on 2026-04-12 and tested against WordPress 7.0, the maintenance signal is strong and suggests the developer is actively keeping pace with core releases.

User Rating

15/15

A perfect 100 from 11 reviewers is encouraging, though the very small sample size means the rating is statistically thin and should be read with some caution.

Support Health

8/15

Zero support threads is unusual for a 30,000-install plugin and makes it hard to gauge how responsive the author is when problems arise; the score is pulled down to 50 for that reason.

WP Compatibility

15/15

Requiring WordPress 4.9 and PHP 5.6 covers extremely old environments, and the WordPress 7.0 test stamp confirms forward compatibility, earning full marks here.

Scores higher than 89% of indexed plugins

About

XO Security is a plugin to enhance login related security.

Active Installs 30k+

Rating ★★★★★ 5/5

Last Updated 2026-07-19 10:16am GMT

Requires WordPress 6.0+

Tested Up To 7.0.4

Requires PHP 7.2+

Security History

1 known vulnerability, all patched

1 Medium

Most recent: February 7, 2017

View details ▸

What It Does

XO Security is a lightweight plugin focused on hardening the WordPress login screen, offering tools to deter brute force attacks, restrict access, and add layers like two-factor authentication. It targets the specific area of authentication rather than trying to be a full firewall or malware scanner. In practice it acts as a complementary login-security layer for sites that already have general security handled elsewhere.

Who It's For

This plugin suits site owners who want to tighten login security without installing a large suite, particularly small businesses, membership sites, and multi-author WordPress installs where account compromise is a real risk. It is also a reasonable fit for educational, healthcare, or financial sites that need two-factor authentication as part of compliance efforts. Given its narrow focus, it works best as an add-on rather than a standalone security strategy.

Who Should Skip It

Anyone who does not yet have a core security plugin (firewall, malware scanning, or SSL enforcement) should skip XO Security and start with a broader solution like Wordfence, Really Simple Security, or All-In-One Security first. It is also unnecessary for simple brochure sites with no user logins, where login hardening adds configuration overhead with no real benefit.

The Bottom Line

XO Security is a focused, well-maintained login-hardening tool with an excellent maintenance record and tested compatibility up to WordPress 7.0, earning an overall score of 82.55/100. The main weaknesses are its modest install base, tiny rating sample, and complete absence of public support threads, which limits confidence in long-term troubleshooting. Treat it as a useful supplement, not a replacement, for a broader security stack.

Pick this when your main gap is SSL/HTTPS enforcement and you also want a broad security feature set with a much larger install base.

Wordfence Security – Firewall, Malware Scan, and Login Security 97/100

Pick this when you need a full security platform with a web application firewall and malware scanning, not just login hardening.

Jetpack – WP Security, Backup, Speed, & Growth 94/100

Pick this when you want login security bundled with backups, performance, and uptime monitoring from a well-funded Automattic-backed team.

All-In-One Security (AIOS) – Security and Firewall 91/100

Pick this when you want login protection, a firewall, and database hardening in a single free plugin with a 1 million-install track record.

WPS Hide Login 89/100

Pick this when you only need to change the wp-login.php URL as a lightweight brute-force deterrent and want zero configuration overhead.