CVE-2026-6246

MEDIUM 6.4

Simple Random Posts Shortcode <= 0.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'container_right_width' Shortcode Attribute

CVSS Score

6.4

EPSS Score

0.0%

EPSS Percentile

0th

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 insufficient input sanitization and output escaping on user supplied attributes. 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.

CWE	CWE-79
Vendor	mkerstner
Product	simple random posts shortcode
Published	Apr 22, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

mkerstner / Simple Random Posts Shortcode

0 ≤ 0.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/7d61e6ea-4975-452a-8f9c-1c6d428372ac?source=cve plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/simple-random-posts-shortcode/tags/0.3/simple-random-posts-shortcode.php#L54 plugins.trac.wordpress.org: https://plugins.trac.wordpress.org/browser/simple-random-posts-shortcode/trunk/simple-random-posts-shortcode.php#L54

Credits

nail majdeddine