Title: @lex Guestbook Multiple Input Validation Vulnerabilities
Severity: HIGH
Description:
@lex Guestbook is a guestbook application written in PHP.
The application is prone to multiple input-validation vulnerabilities because it fails to properly sanitize user-supplied input. These issues include:
- A local file-include vulnerability affecting the 'alex_livre_ext' parameter of the 'livre_include.php' script.
- An SQL-injection vulnerability affecting the 'lang' parameter of the 'index.php' script.
An attacker could exploit these issues to execute server-side script code, compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying database implementation. Information gained could aid in further attacks.
@lex Guestbook 4.0.2 and prior versions are vulnerable to these issues.
NOTE: The vendor refutes these issues, stating that the vulnerabilities do not exist as specified.
Affected Products:
- @lexPHPTeam @lex Guestbook 3.12.0
- @lexPHPTeam @lex Guestbook 3.13.0
- @lexPHPTeam @lex Guestbook 4.0.1
- @lexPHPTeam @lex Guestbook 4.0.2
References:
- @lexPHPTeam: @lex Guestbook Homepage
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