CVE-2025-8927 mtons mblog Verification Code send_code excessive authentication

Medium 6.3 Published Updated

Attackers can bypass rate limits on email verification codes in mtons mblog, potentially enabling brute-force attacks or resource exhaustion.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2025-8927?

CVE-2025-8927 is a medium-severity vulnerability in mtons mblog, published on 13 Aug 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability was determined in mtons mblog up to 3.5.0. Affected by this issue is some unknown functionality of the file /email/send_code of the component Verification Code Handler. The manipulation of the argument email leads to improper restriction of excessive authentication attempts. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used.

Weakness: CWE-799, CWE-307

Which versions are affected by CVE-2025-8927?

It affects 1 product.

Products include Mtons Mblog.

How do I fix CVE-2025-8927?

No fix has been published for CVE-2025-8927 yet. Limit exposure of the affected software until one is available.

Is CVE-2025-8927 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8927 exists.

Sources

Also known as GHSA-6pv7-22ff-jqjj.

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