Appointment Scheduler 3.0 cross site scripting

HistoryDiffrelatejsonxmlCTI

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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Appointment Scheduler 3.0. The impacted element is an unknown function. Executing a manipulation of the argument name/plugin_sms_api_key/plugin_sms_country_code/calendar_id/title/country name/customer_name can lead to cross site scripting. The identification of this vulnerability is CVE-2023-48839. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in Appointment Scheduler 3.0 (Appointment Software) and classified as problematic. This vulnerability affects some unknown functionality. The manipulation of the argument name/plugin_sms_api_key/plugin_sms_country_code/calendar_id/title/country name/customer_name with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity. CVE summarizes:

Appointment Scheduler 3.0 is vulnerable to Multiple Stored Cross-Site Scripting (XSS) issues via the name, plugin_sms_api_key, plugin_sms_country_code, calendar_id, title, country name, or customer_name parameter.

The weakness was shared 12/07/2023 as 176055. The advisory is shared for download at packetstormsecurity.com. This vulnerability was named CVE-2023-48839 since 11/20/2023. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

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-2023-52870). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Appointment Software

Name

Appointment Scheduler

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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

11/20/2023 🔍
12/07/2023 +17 days 🔍
12/07/2023 +0 days 🔍
03/02/2026 +816 days 🔍

Sourcesinfo

Advisory: 176055
Status: Not defined

CVE: CVE-2023-48839 (🔍)
GCVE (CVE): GCVE-0-2023-48839
GCVE (VulDB): GCVE-100-247144
EUVD: 🔍

Entryinfo

Created: 12/07/2023 11:18
Updated: 03/02/2026 03:07
Changes: 12/07/2023 11:18 (39), 12/30/2023 14:54 (11), 03/02/2026 03:07 (16)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.