CVE-2026-112868
MediumCVSS 4.3Exploitation Probability (EPSS)
Low risk11th percentile - higher than 11% of all known CVEs
Summary
H5P through 1.17.9 contains an Authorization Bypass Through User-Controlled Key vulnerability that allows exploiting incorrectly configured access control security levels.
Risk Assessment
Authorization bypass may allow users to access resources or operations they should not be permitted to use.
Recommendation
Update H5P to a version later than 1.17.9 and verify access control rules.
Other vulnerabilities in H5P
See all- CVE-2026-56006High
Versions of H5P up to 1.17.6 are vulnerable to unauthenticated Cross Site Scripting (XSS). An attacker can exploit this vulnerability to inject malicious JavaScript code.
- CVE-2026-112867Medium
The H5P plugin up to version 1.17.9 contains a Stored XSS vulnerability due to improper neutralization of input during web page generation. User input is not properly sanitized before being stored.
- CVE-2026-57321High
The H5P plugin version 1.17.7 and earlier contains a vulnerability allowing a contributor to delete arbitrary files on the server. The flaw is due to insufficient permission validation during file deletion operations.
- CVE-2025-68505Medium
The H5P plugin (versions up to and including 1.16.1) contains a Missing Authorization vulnerability that allows exploitation of incorrectly configured access control security levels. This issue affects H5P from n/a through 1.16.1.
- CVE-2025-62951Medium
The H5P plugin (icc0rz) contains a Stored Cross-site Scripting (XSS) vulnerability due to improper neutralization of input during web page generation. This issue affects versions from n/a through <= 1.16.0.
Original NVD description (English source)
Authorization Bypass Through User-Controlled Key vulnerability in H5P H5P h5p allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects H5P: from n/a through 1.17.9.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS