Minify HTML vulnerabilities
Plugin slug minify-html-markup · 3 known vulnerabilities · latest disclosed 2026-03-30 · WordPress.org page
Every listed vulnerability has a fix. Version 2.1.13 or later is not affected by any of them. If your site runs an older version, update it.
0 of 3 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Minify HTML
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 5.4 | <= 2.1.12 | 2.1.13 | CVE-2026-3191 | 2026-03-30 | Advisory |
| Medium 5.3 | <= 2.1.10 | 2.1.11 | CVE-2024-12579 | 2024-12-12 | Advisory |
| Medium 4.3 | <= 2.1.7 | 2.1.8 | CVE-2023-26014 | 2023-02-21 | Advisory |
Check if a site is affected
Enter a site address to see which version of Minify HTML and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the Minify HTML plugin safe to use?
All 3 known issues are fixed in current versions (2.1.13 or later). Keeping it updated is what matters.
How do I check which version of Minify HTML my site runs?
In WordPress go to Plugins > Installed Plugins. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable plugin?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.