Micropub Security & Risk Analysis

wordpress.org/plugins/micropub

Allows you to publish to your site using Micropub clients.

200 active installs v2.5.0 PHP 7.2+ WP 4.9.9+ Updated Mar 28, 2026
indiewebmicroformatsmicropubpublish
100
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Micropub Safe to Use in 2026?

Generally Safe

Score 100/100

Micropub has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 1mo ago
Risk Assessment

The micropub plugin v2.4.0 demonstrates a generally strong security posture, with no identified vulnerabilities in its history and excellent practices in its static analysis. The code correctly utilizes prepared statements for all SQL queries and ensures all output is properly escaped, mitigating common risks like SQL injection and cross-site scripting. The absence of file operations and external HTTP requests further reduces the attack surface. The plugin also correctly implements capability checks for its operations, though the lack of explicit nonce checks on its few entry points is a minor concern. The presence of two `unserialize` calls, even without identified taint flows in this analysis, represents a potential risk if untrusted data were ever to be passed to them in future updates or different contexts. Overall, this version appears secure with very low immediate risk, but the `unserialize` calls warrant cautious monitoring.

Key Concerns

  • Use of unserialize without input sanitization
  • Missing nonce checks on entry points
Vulnerabilities
None known

Micropub Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Version History

Micropub Release Timeline

v2.5.0Current
v2.4.0
v2.3.3
v2.3.2
v2.3.1
v2.3.0
v2.2.5
v2.2.4
v2.2.3
v2.2.2
v2.2.1
v2.2.0
v2.1.0
v2.0.11
v2.0.10
v2.0.9
v2.0.8
v2.0.7
v2.0.6
v2.0.5
Code Analysis
Analyzed Mar 16, 2026

Micropub Code Analysis

Dangerous Functions
2
Raw SQL Queries
0
0 prepared
Unescaped Output
0
15 escaped
Nonce Checks
0
Capability Checks
5
File Operations
0
External Requests
0
Bundled Libraries
0

Dangerous Functions Found

unserialize$cur = $meta[ $key ][0] ? unserialize( $meta[ $key ][0] ) : array();includes\class-micropub-endpoint.php:1040
unserialize$existing = unserialize( $meta[ $key ][0] );includes\class-micropub-endpoint.php:1054

Output Escaping

100% escaped15 total outputs
Attack Surface

Micropub Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 16
actionplugins_loadedincludes\class-micropub-endpoint.php:3
actionwp_headincludes\class-micropub-endpoint.php:29
actionsend_headersincludes\class-micropub-endpoint.php:30
filterhost_metaincludes\class-micropub-endpoint.php:31
filterwebfinger_user_dataincludes\class-micropub-endpoint.php:32
actionrest_api_initincludes\class-micropub-endpoint.php:35
filterrest_request_after_callbacksincludes\class-micropub-endpoint.php:37
actionplugins_loadedincludes\class-micropub-media.php:3
actionrest_api_initincludes\class-micropub-media.php:14
actionwp_headincludes\class-micropub-media.php:17
actionsend_headersincludes\class-micropub-media.php:18
filterhost_metaincludes\class-micropub-media.php:19
filterwebfinger_user_dataincludes\class-micropub-media.php:20
filterthe_contentincludes\class-micropub-render.php:8
actionadmin_noticesmicropub.php:66
actionadmin_noticesmicropub.php:78
Maintenance & Trust

Micropub Maintenance & Trust

Maintenance Signals

WordPress version tested7.0
Last updatedMar 28, 2026
PHP min version7.2
Downloads19K

Community Trust

Rating100/100
Number of ratings4
Active installs200
Developer Profile

Micropub Developer Profile

IndieWeb

5 plugins · 1K total installs

95
trust score
Avg Security Score
93/100
Avg Patch Time
4 days
View full developer profile
Detection Fingerprints

How We Detect Micropub

Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.

Asset Fingerprints

HTML / DOM Fingerprints

REST Endpoints
/micropub/1.0/endpoint
FAQ

Frequently Asked Questions about Micropub