🛡️ CVE-2023-51296 — event-booking-calendar

🟡 CVSS 6.1 — Medium ⚠️ Exploit Public CWE-79 NVD
6.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity low, availability none.

Weakness class

CVE-2023-51296 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2023-51296 is recorded against 1 package.

  • event-booking-calendar

Timeline and source

Published on 19 February 2025 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

packetstorm.news
www.phpjabbers.com
packetstormsecurity.com

Details

Severity MEDIUM
CVSS Score 6.1
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE CWE-79
Public Exploit ⚠️ Yes
Source NVD
Published 2025-02-19
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
event-booking-calendar — —

Similar Threats

Exploit Protection

Are you running event-booking-calendar?

CVE-2023-51296 carries CVSS 6.1 Medium rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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