Arbitrary File Deletion Vulnerability in H5P Plugin for WordPress
CVE-2026-57321

7.1HIGH

Key Information:

Vendor

WordPress
Status
H5p
Vendor
CVE Published:
26 June 2026

What is CVE-2026-57321?

The H5P plugin for WordPress is affected by a significant vulnerability that permits contributors to delete arbitrary files. This flaw exists in versions up to 1.17.7, posing potential risks for websites utilizing H5P functionalities. The vulnerability could be exploited by unauthorized users, compromising the integrity of site data. Website administrators are urged to review this issue and consider upgrading to secure versions to mitigate any potential threats.

Affected Version(s)

H5P <= 1.17.7

References

https://patchstack.com/database/wordpress/plugin/h5p/vuln...
vdb-entry

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

daroo | Patchstack Bug Bounty Program
.