What is the CVSS score of CVE-2023-51295?

CVE-2023-51295 has a CVSS 3.1 base score of 6.5 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.3%.

Which versions of Event Booking Calendar are affected by CVE-2023-51295?

Organizations using PHPJabbers Event Booking Calendar v4.0 should be aware of notable risk from CVE-2023-51295, a command injection vulnerability rated CVSS 6.5.

Is there a public PoC exploit available for CVE-2023-51295?

Yes, a public proof-of-concept exploit is available for CVE-2023-51295. Prioritise patching immediately. EPSS: 0.3%.

How to fix or mitigate CVE-2023-51295?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

Event Booking Calendar CVE-2023-51295

MEDIUM

Command Injection (CWE-77)

2025-05-08 cve@mitre.org

Command Injection Event Booking Calendar

6.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:40 vuln.today

PoC Detected

Nov 04, 2025 - 19:16 vuln.today

Public exploit code

CVE Published

May 08, 2025 - 16:15 nvd

MEDIUM 6.5

DescriptionCVE.org

PHPJabbers Event Booking Calendar v4.0 is vulnerable to Multiple HTML Injection in the "name, plugin_sms_api_key, plugin_sms_country_code, title, plugin_sms_api_key, title" parameters.

AnalysisAI

PHPJabbers Event Booking Calendar v4.0 is vulnerable to Multiple HTML Injection in the "name, plugin_sms_api_key, plugin_sms_country_code, title, plugin_sms_api_key, title" parameters. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Command Injection (CWE-77), which allows attackers to inject arbitrary commands into system command execution. PHPJabbers Event Booking Calendar v4.0 is vulnerable to Multiple HTML Injection in the "name, plugin_sms_api_key, plugin_sms_country_code, title, plugin_sms_api_key, title" parameters. Affected products include: Phpjabbers Event Booking Calendar.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized APIs, avoid shell execution, validate input with strict allowlists.