What is the CVSS score of CVE-2024-8493?

CVE-2024-8493 has a CVSS 3.1 base score of 4.8 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.2%.

Which versions of The Events Calendar are affected by CVE-2024-8493?

Organizations using Events Calendar WordPress should be aware of moderate risk from CVE-2024-8493, a cross-site scripting vulnerability rated CVSS 4.8.

Is there a public PoC exploit available for CVE-2024-8493?

Yes, a public proof-of-concept exploit is available for CVE-2024-8493. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2024-8493?

During next maintenance window: Identify affected systems and apply vendor patches when convenient. Verify Content-Security-Policy and output encoding.

The Events Calendar CVE-2024-8493

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2025-05-15 contact@wpscan.com

WordPress XSS The Events Calendar

4.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.8 MEDIUM

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:42 vuln.today

PoC Detected

Jun 04, 2025 - 20:08 vuln.today

Public exploit code

CVE Published

May 15, 2025 - 20:15 nvd

MEDIUM 4.8

DescriptionCVE.org

The Events Calendar WordPress plugin before 6.6.4 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

AnalysisAI

The Events Calendar WordPress plugin before 6.6.4 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. The Events Calendar WordPress plugin before 6.6.4 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup). Affected products include: Stellarwp The Events Calendar. Version information: before 6.6.4.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.