VX Guestbook 1.07 POST Parameter words.php word sql injection

Summaryinfo

A vulnerability was found in VX Guestbook 1.07 and classified as critical. Affected is an unknown function of the file words.php of the component POST Parameter Handler. Such manipulation of the argument word leads to sql injection. This vulnerability is listed as CVE-2025-57263. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in VX Guestbook 1.07. Affected by this issue is an unknown code of the file words.php of the component POST Parameter Handler. The manipulation of the argument word with an unknown input leads to a sql injection vulnerability. Using CWE to declare the problem leads to CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An authenticated SQL injection vulnerability in VX Guestbook 1.07 allows attackers with admin access to inject malicious SQL payloads via the "word" POST parameter in the words.php admin panel.

The advisory is shared for download at packetstorm.news. This vulnerability is handled as CVE-2025-57263 since 08/17/2025. The exploitation is known to be easy. The attack may be launched remotely. Additional levels of successful authentication are necessary for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/04/2025). The MITRE ATT&CK project declares the attack technique as T1505.

By approaching the search of inurl:words.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-26724). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• VX

Name

• Guestbook

Version

• 1.07

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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