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Vulnerability record · CVE-2023-48839 · published 7 December 2023

CVE-2023-48839: Phpjabbers appointment scheduler cross-site scripting vulnerability

Phpjabbers · Appointment Scheduler

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.

5.4 CVSS 3.1 Medium EPSS 0.42% · top 66.3% CWE-79 · Cross-site scripting
5.4CVSS 3.1 base score
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://packetstormsecurity.com/files/176055 Third Party AdvisoryVDB Entry
https://www.phpjabbers.com/appointment-scheduler/ Product
http://packetstormsecurity.com/files/176055 Third Party AdvisoryVDB Entry
https://www.phpjabbers.com/appointment-scheduler/ Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2023-48841Phpjabbers appointment scheduler injection vulnerabilityAppointment Scheduler 3.0 is vulnerable to CSV Injection via a Language > Labels > Export action.EPSS 1.2%7.5CVE-2023-48840Phpjabbers appointment scheduler uncontrolled resource consumption vulnerabilityA lack of rate limiting in pjActionAjaxSend in Appointment Scheduler 3.0 allows attackers to cause resource exhaustion.EPSS 1.1%7.5CVE-2023-36127Phpjabbers appointment scheduler observable discrepancy vulnerabilityUser enumeration is found in in PHPJabbers Appointment Scheduler 3.0. This issue occurs during password recovery, where a difference in messages coul…EPSS 0.59%6.8CVE-2014-10001Phpjabbers appointment scheduler cross-site request forgery vulnerabilityMultiple cross-site request forgery (CSRF) vulnerabilities in PHPJabbers Appointment Scheduler 2.0 allow remote attackers to hijack the authenticatio…EPSS 2.3%6.1CVE-2023-36126Phpjabbers appointment scheduler cross-site scripting vulnerabilityThere is a Cross Site Scripting (XSS) vulnerability in the "theme" parameter of preview.php in PHPJabbers Appointment Scheduler v3.0EPSS 0.38%5.4CVE-2023-48838Phpjabbers appointment scheduler cross-site scripting vulnerabilityAppointment Scheduler 3.0 is vulnerable to Multiple HTML Injection issues via the SMS API Key or Default Country Code.EPSS 0.46%5.0CVE-2014-10010Phpjabbers appointment scheduler path traversal vulnerabilityDirectory traversal vulnerability in PHPJabbers Appointment Scheduler 2.0 allows remote attackers to read arbitrary files via a .. (dot dot) in the i…EPSS 7.7%6.1CVE-2026-42897Microsoft Exchange Server XSS enables spoofingMicrosoft Exchange Server and Exchange Server Subscription Edition fail to neutralize input during web page generation, a cross-site scripting flaw (…KEVEPSS 0.52%analysed

Source: NIST National Vulnerability Database (record CVE-2023-48839), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.