CVE-2023-51297 Denial of service in n/a

Medium 6.5 Published Updated

Attackers can cause denial of service by sending excessive emails due to missing rate limits in the hotel booking system's email settings.

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-2023-51297?

CVE-2023-51297 is a medium-severity denial of service vulnerability in n/a, published on 19 Feb 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A lack of rate limiting in the 'Email Settings' feature of PHPJabbers Hotel Booking System v4.0 allows attackers to send an excessive amount of email for a legitimate user, leading to a possible Denial of Service (DoS) via a large amount of generated e-mail messages.

Weakness: CWE-770

Which versions are affected by CVE-2023-51297?

It affects 1 product.

Products include Phpjabbers Hotel Booking System.

How do I fix CVE-2023-51297?

No fix has been published for CVE-2023-51297 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-51297 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-51297 exists.

Sources

Also known as GHSA-x549-732m-pw36.

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