PHP Jabbers Time Slots Booking Calendar 4.0 pjActionAJaxSend resource consumption

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.
5.9	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in PHP Jabbers Time Slots Booking Calendar 4.0. Affected by this vulnerability is the function pjActionAJaxSend. Executing a manipulation can lead to resource consumption. This vulnerability is handled as CVE-2023-48833. The attack can be executed remotely. There is not any exploit available. Once again VulDB remains the best source for vulnerability data.

Detailsinfo

A vulnerability has been found in PHP Jabbers Time Slots Booking Calendar 4.0 (Calendar Software) and classified as problematic. This vulnerability affects the function pjActionAJaxSend. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. CVE summarizes:

A lack of rate limiting in pjActionAJaxSend in Time Slots Booking Calendar 4.0 allows attackers to cause resource exhaustion.

The weakness was released 12/07/2023. This vulnerability was named CVE-2023-48833 since 11/20/2023. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

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-2023-52864). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Calendar Software

Vendor

PHP Jabbers

Name

Time Slots Booking Calendar

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

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: Resource consumption
CWE: CWE-400 / CWE-404
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: 176042
Status: Not defined

CVE: CVE-2023-48833 (🔍)
GCVE (CVE): GCVE-0-2023-48833
GCVE (VulDB): GCVE-100-247126
EUVD: 🔍

Entryinfo

Created: 12/07/2023 08:14 AM
Updated: 03/02/2026 02:33 AM
Changes: 12/07/2023 08:14 AM (38), 12/30/2023 01:13 PM (2), 12/30/2023 01:19 PM (11), 03/02/2026 02:33 AM (16)
Complete: 🔍
Cache ID: 244:1ED:40