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

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Hypercomments
Vendor
CVE Published:
5 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

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

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-5701
Created by RandomRobbieBF

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/hypercomments/...

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

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

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