VDB-266969 · CVE-2023-24373 · GCVE-0-2023-24373

WpDevArt Booking Calendar, Appointment Booking System Plugin external control of assumed-immutable web parameter

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.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in WpDevArt Booking Calendar, Appointment Booking System Plugin up to 3.2.3 on WordPress and classified as problematic. Affected is an unknown function. The manipulation leads to external control of assumed-immutable web parameter. This vulnerability is traded as CVE-2023-24373. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in WpDevArt Booking Calendar, Appointment Booking System Plugin up to 3.2.3 on WordPress. This issue affects an unknown part. The manipulation with an unknown input leads to a external control of assumed-immutable web parameter vulnerability. Using CWE to declare the problem leads to CWE-472. The web application does not sufficiently verify inputs that are assumed to be immutable but are actually externally controllable, such as hidden form fields. Impacted is integrity. The summary by CVE is:

External Control of Assumed-Immutable Web Parameter vulnerability in WpDevArt Booking calendar, Appointment Booking System allows Manipulating Hidden Fields.This issue affects Booking calendar, Appointment Booking System: from n/a through 3.2.3.

The weakness was shared by Yuyudhn. The advisory is shared at patchstack.com. The identification of this vulnerability is CVE-2023-24373 since 01/23/2023. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/21/2025).

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Appointment Software

Vendor

WpDevArt

Name

Booking Calendar, Appointment Booking System Plugin

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 3.7
CNA Vector (Patchstack): 🔍

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: 🔍

Exploitinginfo

Class: External control of assumed-immutable web parameter
CWE: CWE-472
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

01/23/2023 🔍
06/04/2024 +497 days 🔍
06/04/2024 +0 days 🔍
03/21/2025 +290 days 🔍

Sourcesinfo

Advisory: patchstack.com
Researcher: Yuyudhn
Status: Not defined

CVE: CVE-2023-24373 (🔍)
GCVE (CVE): GCVE-0-2023-24373
GCVE (VulDB): GCVE-100-266969

Entryinfo

Created: 06/04/2024 06:45
Updated: 03/21/2025 21:52
Changes: 06/04/2024 06:45 (63), 06/04/2024 14:17 (1), 03/21/2025 21:52 (12)
Complete: 🔍
Cache ID: 216::103