What is CVE-2025-11807?

CVE-2025-11807 is a medium-severity vulnerability in Mrgeorgegray Mixlr Shortcode, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-10-22.

How severe is CVE-2025-11807?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Mrgeorgegray Mixlr Shortcode

CVE-2025-11807

The Mixlr Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'mixlr' shortcode in all versions up to, and including, 1.0.1. This is due to insufficient input sanitization and output escaping on the 'url' attribute. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (12.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Mrgeorgegray Mixlr Shortcode — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2025-11807?: CVE-2025-11807 is a medium-severity vulnerability in Mrgeorgegray Mixlr Shortcode, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2025-10-22.
How severe is CVE-2025-11807?: Medium severity. CVSS v3 base score is 6.4 out of 10.