Cross-Site Scripting Vulnerability in H5P Product by H5P
CVE-2026-112867

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
H5p
Vendor
CVE Published:
22 October 2026

What is CVE-2026-112867?

A Cross-Site Scripting (XSS) vulnerability has been identified in the H5P product, which allows for improper neutralization of input during web page generation, leading to stored XSS attacks. This issue can affect users by allowing malicious scripts to be executed in the context of their session, potentially compromising sensitive information. Affected versions include H5P up to and including 1.17.9. It's crucial for users to implement necessary security measures and updates to safeguard their applications.

Affected Version(s)

H5P 0 <= 1.17.9

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

Intrudify | Patchstack Bug Bounty Program
.