CVE-2018-25362 Twitter-Clone 1 SQL Injection via follow.php

High 8.8 Published Updated

Attackers can inject SQL code via the userid parameter in follow.php to extract sensitive database information such as usernames and passwords.

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-2018-25362?

CVE-2018-25362 is a high-severity SQL injection vulnerability in Fyffe PHP-Twitter-Clone, published on 25 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Twitter-Clone 1 contains a SQL injection vulnerability in follow.php that allows attackers to manipulate database queries by injecting SQL code through the userid parameter. Attackers can submit union-based or time-based blind SQL injection payloads to extract sensitive database information including usernames, passwords, and database credentials.

Weakness: CWE-89

Which versions are affected by CVE-2018-25362?

How do I fix CVE-2018-25362?

No fix has been published for CVE-2018-25362 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-2018-25362 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2018-25362 exists.

Sources

Also known as GHSA-4wjh-3728-4qgm.

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