CVE-2023-39851 SQL injection in n/a

Critical 9.8 Published Updated

A SQL injection vulnerability in webchess allows attackers to manipulate database queries via the playerID parameter, though exploitation is disputed.

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-2023-39851?

CVE-2023-39851 is a critical SQL injection vulnerability in n/a, published on 15 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

webchess v1.0 was discovered to contain a SQL injection vulnerability via the $playerID parameter at mainmenu.php. NOTE: this is disputed by a third party who indicates that the playerID is a session variable controlled by the server, and thus cannot be used for exploitation.

Weakness: CWE-89

Which versions are affected by CVE-2023-39851?

It affects 1 product.

Products include Webchess Project Webchess.

How do I fix CVE-2023-39851?

No fix has been published for CVE-2023-39851 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-2023-39851 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-39851 exists.

Sources

Also known as GHSA-9rfp-wq3q-rh78.

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