CVE-2023-48831

Name: CVE-2023-48831
Creator: NVD / NIST
Published: 2023-12-07T07:15:11.28+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.16%

Last modified Jun 17, 2026

CVE-2023-48831 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A lack of rate limiting in pjActionAJaxSend in Availability Booking Calendar 5.0 allows attackers to cause resource exhaustion.. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

Description

A lack of rate limiting in pjActionAJaxSend in Availability Booking Calendar 5.0 allows attackers to cause resource exhaustion.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

1.16%

63.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Phpjabbers	Availability Booking Calendar	5.0

References

http://packetstormsecurity.com/files/176039Exploit, Third Party Advisory, VDB Entry
https://www.phpjabbers.com/availability-booking-calendar/#sectionDemoProduct
http://packetstormsecurity.com/files/176039Exploit, Third Party Advisory, VDB Entry
https://www.phpjabbers.com/availability-booking-calendar/#sectionDemoProduct

Timeline

Published: Dec 7, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-48831?

A lack of rate limiting in pjActionAJaxSend in Availability Booking Calendar 5.0 allows attackers to cause resource exhaustion.

How severe is CVE-2023-48831?

CVE-2023-48831 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.

How do I fix CVE-2023-48831?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-48831?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST