VDB-233291 · Submit #174926 · CVE-2023-3539

SimplePHPscripts Simple Forum PHP 2.7 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-$5k	0.66

Summaryinfo

A vulnerability identified as problematic has been detected in SimplePHPscripts Simple Forum PHP 2.7. This vulnerability affects unknown code of the file /preview.php of the component URL Parameter Handler. The manipulation leads to cross site scripting. This vulnerability is documented as CVE-2023-3539. The attack can be initiated remotely. Additionally, an exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in SimplePHPscripts Simple Forum PHP 2.7 (Forum Software). This issue affects some unknown functionality of the file /preview.php of the component URL Parameter Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity.

The weakness was released 07/07/2023. The identification of this vulnerability is CVE-2023-3539. It demands that the victim is doing some kind of user interaction. Technical details as well as 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.

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

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

Productinfo

Type

Forum Software

Vendor

SimplePHPscripts

Name

Simple Forum PHP

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/07/2023 🔍
07/07/2023 +0 days 🔍
07/07/2023 +0 days 🔍
07/25/2023 +18 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2023-3539 (🔍)
GCVE (CVE): GCVE-0-2023-3539
GCVE (VulDB): GCVE-100-233291
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/07/2023 14:05
Updated: 07/25/2023 13:22
Changes: 07/07/2023 14:05 (39), 07/25/2023 13:16 (2), 07/25/2023 13:22 (28)
Complete: 🔍
Submitter: skalvin
Cache ID: 216::103

Submitinfo

Accepted

Submit #174926: Simple Forum 2.7 - Reflected XSS (by skalvin)