CVE-2023-51293

HIGH EPSS 47.7%
Published Feb 19, 20251y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Feb 19, 2025 1y ago
Last Modified Jun 17, 2026 2w ago

Description

A lack of rate limiting in the 'Forgot Password', 'Email Settings' feature of PHPJabbers Event Booking Calendar v4.0 allows attackers to send an excessive amount of email for a legitimate user, leading to a possible Denial of Service (DoS) via a large amount of generated e-mail messages.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
47.7% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-400 Uncontrolled Resource Consumption Resource Mgmt

Affected Products 1

VendorProductVersionRange
phpjabbersevent_booking_calendar4.0any

References 3

  • packetstormsecurity.com http://packetstormsecurity.com/files/176495/PHPJabbers-Event-Booking-Calendar-4.0-Missing-Rate-Limiting.html
    ExploitThird Party AdvisoryVDB Entry
  • packetstorm.news https://packetstorm.news/files/id/176495
  • phpjabbers.com https://www.phpjabbers.com/event-booking-calendar/#sectionDemo
    Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.