XSS in Mkerstner Simple Random Posts Shortcode

CVE-2026-6246

The Simple Random Posts Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'container_right_width' attribute of the 'simple_random_posts' shortcode in all versions up to, and including, 0.3 due to insuffici…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (1.9th 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

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-6246?
CVE-2026-6246 is a medium-severity vulnerability in Mkerstner Simple Random Posts Shortcode, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-04-22.
How severe is CVE-2026-6246?
Medium severity. CVSS v3 base score is 6.4 out of 10.