What is CVE-2026-3191?

CVE-2026-3191 is a medium-severity vulnerability in Teckel Minify Html, classified under Cross-Site Request Forgery (CSRF). CVSS score: 5.4/10. Published 2026-03-31.

How severe is CVE-2026-3191?

Medium severity. CVSS v3 base score is 5.4 out of 10.

CSRF in Teckel Minify Html

CVE-2026-3191

The Minify HTML plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.1.12. This is due to missing or incorrect nonce validation on the 'minify_html_menu_options' function. This makes it p…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.000 (0.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L.

Affected products

Teckel Minify Html — versions 0

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

www.wordfence.com/threat-intel/vulnerabilities/id/fe14b92b-1784-4083-9b9f-23d7f…
plugins.trac.wordpress.org/browser/minify-html-markup/tags/2.1.12/minify-html.p…
plugins.trac.wordpress.org/changeset/3486011/minify-html-markup

Frequently asked questions

What is CVE-2026-3191?: CVE-2026-3191 is a medium-severity vulnerability in Teckel Minify Html, classified under Cross-Site Request Forgery (CSRF). CVSS score: 5.4/10. Published 2026-03-31.
How severe is CVE-2026-3191?: Medium severity. CVSS v3 base score is 5.4 out of 10.