Multiple vulnerabilities in Classified Ads Script

Published: 2023-07-04

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-3464 CVE-2023-3465
CWE-ID	CWE-79
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Classified Ads Script Web applications / Modules and components for CMS
Vendor	Simple PHP Scripts

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU77921

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-3464

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the /preview.php script in the URL Parameter Handler component. A remote user can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Classified Ads Script: 1.0 - 1.8

CPE2.3

External links

https://vuldb.com/?id.232710
https://simplephpscripts.com/guestbook-script-php/guestbook/preview.php
https://vuldb.com/?ctiid.232710

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Cross-site scripting

EUVDB-ID: #VU77922