CVE-2025-12255 code-projects Online Event Judging System add_contestant.php sql injection

Medium 5.3 Published 27 Oct 2025 Updated 27 Oct 2025

Remote attackers can exploit SQL injection in the add_contestant.php file to manipulate or access database information.

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-2025-12255?

CVE-2025-12255 is a medium-severity SQL injection vulnerability in code-projects Online Event Judging System, published on 27 Oct 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A security flaw has been discovered in code-projects Online Event Judging System 1.0. This affects an unknown part of the file /add_contestant.php. Performing manipulation of the argument fullname results in sql injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be exploited.

Weakness: CWE-89, CWE-74

Which versions are affected by CVE-2025-12255?

It affects 1 product.

Products include Carmelo Online Event Judging System.

How do I fix CVE-2025-12255?

No fix has been published for CVE-2025-12255 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2025-12255 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-12255 exists.

Sources

Also known as GHSA-4jqq-4xxm-j495.