TI-2023-27970 Aliases CVE-2023-51296 GHSA-qmvw-mmq3-8fjr

PHPJabbers Event Booking Calendar v4.0 is vulnerable to Cross-Site Scripting (XSS) in the…

LOW 28CWE-79Published 2025-02-19 · Updated 2025-11-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

PHPJabbers Event Booking Calendar v4.0 is vulnerable to Cross-Site Scripting (XSS) in the "name, plugin_sms_api_key, plugin_sms_country_code, title, plugin_sms_api_key" parameters which allows attackers to execute arbitrary code

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00461 40th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:phpjabbers:event_booking_calendar:4.0:::::::*	4.0	Vulnerable	PHPJabbers

cpe:2.3:a:phpjabbers:event_booking_calendar:4.0:*:*:*:*:*:*:* Versions 4.0 Vulnerable ·PHPJabbers

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-51296
2026-10-03 Alias added: GHSA-qmvw-mmq3-8fjr

References

Exploit 1

https://packetstorm.news/files/id/176485

Other 1

https://www.phpjabbers.com/event-booking-calendar/#sectionDemo

TI-2023-21537 User enumeration is found in PHPJabbers Event Booking Calendar v4.0. CVSS 3.1CRITICAL 9.8
TI-2014-08177 SQL injection vulnerability in load-calendar.php in PHPJabbers Event Booking Calendar 2.0… CVSS 2.0HIGH 7.5
TI-2023-27968 A lack of rate limiting in the 'Forgot Password', 'Email Settings' feature of PHPJabbers… CVSS 3.1HIGH 7.5
TI-2014-08176 Multiple cross-site request forgery (CSRF) vulnerabilities in PHPJabbers Event Booking… CVSS 2.0MEDIUM 6.8
TI-2023-27969 PHPJabbers Event Booking Calendar v4.0 is vulnerable to Multiple HTML Injection in the… CVSS 3.1MEDIUM 6.5
TI-2023-27972 PHPJabbers Event Booking Calendar v4.0 is vulnerable to CSV Injection vulnerability which… CVSS 3.1MEDIUM 4.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences