Cross-Site Scripting Vulnerability in H5P Interactive Content by icc0rz
CVE-2025-62951

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
H5p
Vendor
CVE Published:
27 October 2025

What is CVE-2025-62951?

A Cross-Site Scripting (XSS) vulnerability exists in the Interactive Content – H5P plugin developed by icc0rz. This flaw allows for the improper handling of input during web page generation, enabling attackers to inject malicious script code that could execute in the context of the user’s browser. The vulnerability specifically affects versions up to and including 1.16.0, posing risks for sites utilizing this plugin. Implementation of stringent input validation and sanitization practices is crucial to mitigate the potential for stored XSS attacks.

Affected Version(s)

H5P 0 <= 1.16.0

References

https://patchstack.com/database/Wordpress/Plugin/h5p/vuln...
vdb-entry

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Muhammad Yudha - DJ | Patchstack Bug Bounty Program
.