SimplePHPscripts GuestBook Script 2.2 URL Parameter preview.php cross site scripting

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.3$0-$5k0.34

Summaryinfo

A vulnerability was found in SimplePHPscripts GuestBook Script 2.2. It has been classified as problematic. The affected element is an unknown function of the file preview.php of the component URL Parameter Handler. Performing a manipulation results in cross site scripting. This vulnerability is known as CVE-2023-3476. Remote exploitation of the attack is possible. Furthermore, an exploit is available. Upgrading the affected component is recommended. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability was found in SimplePHPscripts GuestBook Script 2.2. It has been classified as problematic. This affects an unknown code block of the file preview.php of the component URL Parameter Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity.

The weakness was published 06/30/2023. This vulnerability is uniquely identified as CVE-2023-3476. It demands that the victim is doing some kind of user interaction. Technical details and a exploit are known. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

It is declared as proof-of-concept. By approaching the search of inurl:preview.php it is possible to find vulnerable targets with Google Hacking.

Upgrading eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 3.5
CNA Vector (VulDB): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/30/2023 🔍
06/30/2023 +0 days 🔍
06/30/2023 +0 days 🔍
07/22/2023 +22 days 🔍

Sourcesinfo

Status: Confirmed

CVE: CVE-2023-3476 (🔍)
GCVE (CVE): GCVE-0-2023-3476
GCVE (VulDB): GCVE-100-232755
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 06/30/2023 08:38 AM
Updated: 07/22/2023 08:33 AM
Changes: 06/30/2023 08:38 AM (39), 07/22/2023 08:33 AM (30)
Complete: 🔍
Submitter: skalvin
Cache ID: 18:9A0:40

Submitinfo

Accepted

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