Data Modification Vulnerability in HyperComments Plugin for WordPress
CVE-2025-5701

9.8CRITICAL

Key Information:

Vendor

WordPress

Vendor
CVE Published:
5 June 2025

What is CVE-2025-5701?

The HyperComments plugin for WordPress contains a flaw that allows unauthorized modification of site data due to a missing capability check in the hc_request_handler function. This vulnerability affects all versions before and including 1.2.2, enabling unauthenticated attackers to change arbitrary settings on the WordPress site. Exploiting this weakness could permit attackers to elevate user privileges by altering the default registration role to administrator, facilitating unauthorized access to sensitive areas of the site.

Affected Version(s)

HyperComments * <= 1.2.2

References

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Matteo Leonelli
David Dewes
.
CVE-2025-5701 : Data Modification Vulnerability in HyperComments Plugin for WordPress