CVE-2025-13448 MEDIUM

CVE-2025-13448: CSSIgniter Shortcodes <= 2.4.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'element' Shortcode Attribute

Vendor Anastis
Product CSSIgniter Shortcodes
Weakness CWE-79 · XSS
Published December 3, 2025
Last update April 8, 2026

CVSS base score

6.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The CSSIgniter Shortcodes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'element' shortcode attribute in all versions up to, and including, 2.4.1 due to insufficient input sanitization and output escaping. 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.

Explanation of Vulnerability in Simple Terms

02Summary

CSSIgniter Shortcodes versions 2.4.1 and earlier contain a cross-site scripting vulnerability that allows authenticated users to inject malicious scripts. The vulnerability affects the scope beyond the vulnerable component, potentially impacting other users and site functionality. Site administrators should update to a version newer than 2.4.1 to remediate this issue.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that execute in other users' browsers and affect site functionality.

Potential impact on your site

04Site Impact

Authenticated users can inject scripts affecting other visitors and site operations; user accounts at risk.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account (e.g., contributor or subscriber role).

Key dates

06Disclosure timeline

December 3, 2025 CVE published
April 8, 2026 Record updated