Stored Cross-Site Scripting Vulnerability in Lightweight Accordion Plugin for WordPress
CVE-2025-13740

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Lightweight Accordion
Vendor
CVE Published:
15 December 2025

What is CVE-2025-13740?

The Lightweight Accordion plugin for WordPress has a vulnerability that allows authenticated users with contributor-level access and above to exploit a Stored Cross-Site Scripting (XSS) flaw through the lightweight-accordion shortcode. This vulnerability arises from insufficient input sanitization and output escaping on user-supplied attributes, enabling the injection of arbitrary web scripts into pages. When these pages are accessed by other users, the injected scripts will execute, posing a significant security risk.

Affected Version(s)

Lightweight Accordion * <= 1.5.20

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3413649/

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Muhammad Yudha - DJ
JSON
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CVE-2025-13740 : Stored Cross-Site Scripting Vulnerability in Lightweight Accordion Plugin for WordPress