CVE-2025-5701 HyperComments <= 1.2.2 - Unauthenticated (Subscriber+) Arbitrary Options Update
Unauthenticated attackers can update arbitrary options to enable registration and gain administrator access due to missing capability checks.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-5701?
CVE-2025-5701 is a high-severity missing authorization vulnerability in siteheart HyperComments, published on 5 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The HyperComments plugin for WordPress is vulnerable to unauthorized modification of data that can lead to privilege escalation due to a missing capability check on the hc_request_handler function in all versions up to, and including, 1.2.2. This makes it possible for unauthenticated attackers to update arbitrary options on the WordPress site. This can be leveraged to update the default role for registration to administrator and enable user registration for attackers to gain administrative user access to a vulnerable site.
Weakness: CWE-862
Which versions are affected by CVE-2025-5701?
How do I fix CVE-2025-5701?
No fix has been published for CVE-2025-5701 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-5701 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-5701 exists.
Public exploit code: 1 Nuclei template and 2 proofs of concept on GitHub.
Sources
Also known as GHSA-v36x-3fmp-47fp.