PT-2026-26818 · WordPress · Ivysilani Shortcode

Zakaria · Published 2026-03-21 · Updated 2026-03-21 · CVE-2026-1851

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions iVysilani Shortcode plugin for WordPress versions prior to 3.1

Description The software is susceptible to Stored Cross-Site Scripting through the 'width' shortcode attribute. Insufficient input sanitization and output escaping allow authenticated attackers with Contributor-level access or higher to inject arbitrary web scripts into pages. These scripts will execute when a user accesses the injected page.

Recommendations Update to version 3.1 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-1851

Affected Products

Ivysilani Shortcode

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-1851 · Security Note
• https://wordfence.com/threat-intel/vulnerabilities/id/25fc2600-9b57-405e-9956-b55291161700?source=cve · Note
• https://twitter.com/CVEnew/status/2035237303430652178 · Twitter Post
• https://plugins.trac.wordpress.org/browser/ivysilani-shortcode/trunk/ivysilani-shortcode.php#L65 · Note
• https://plugins.trac.wordpress.org/browser/ivysilani-shortcode/tags/3.0/ivysilani-shortcode.php#L65 · Note
• https://wordpress.org/plugins/ivysilani-shortcode · Note