What is the CVSS score of CVE-2024-1321?

CVE-2024-1321 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.1%.

Is there a patch available for CVE-2024-1321?

Yes, a patch is available for CVE-2024-1321. Update the affected software to the latest version immediately.

Eventprime CVE-2024-1321

MEDIUM

Insufficient Verification of Data Authenticity (CWE-345)

2024-03-13 security@wordfence.com

WordPress Authentication Bypass Eventprime Wordpress Plugin Metagauss

5.3

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-345 OWASP Top 10:2025 A08:2025 - Software or Data Integrity Failures ASVS 5.0 V15 - Secure Coding and Architecture Data authenticity verification
Impact	CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 0.11%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.1% exploitation probability (EPSS)

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AnalysisAI

The EventPrime - Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to payment bypass in all versions up to, and including, 3.4.2. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-345. The EventPrime - Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to payment bypass in all versions up to, and including, 3.4.2. This is due to the plugin allowing unauthenticated users to update the status of order payments. This makes it possible for unauthenticated attackers to book events for free. Affected products include: Metagauss Eventprime.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

Patch released

Apr 08, 2026 - 18:22 nvd

Patch available

CVE Published

Mar 13, 2024 - 16:15 nvd

MEDIUM 5.3

DescriptionCVE.org

The EventPrime - Events Calendar, Bookings and Tickets plugin for WordPress is vulnerable to payment bypass in all versions up to, and including, 3.4.2. This is due to the plugin allowing unauthenticated users to update the status of order payments. This makes it possible for unauthenticated attackers to book events for free.

Threat Intelligence Overview

EPSS Score

0.1%

Top 70% exploitable

Data Quality

4 sources

Confidence: Medium

NVD

CVE.org

EPSS

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.1%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +26

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)CVE.org

cpe:2.3:a:metagauss:eventprime:*:*:*:*:*:wordpress:*:*

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Same weakness CWE-345 – Insufficient Verification of Data Authenticity

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CVE-2023-38831 HIGH POC

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CVE-2016-4553 HIGH

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CVE-2025-66255 CRITICAL POC

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CVE-2026-62874 CRITICAL POC

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CVE-2025-1945 CRITICAL POC

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CVE-2026-92161 CRITICAL POC

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CVE-2015-3306 CRITICAL POC

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CVE-2023-22515 CRITICAL POC

9.8

CVE-2012-4681 CRITICAL POC

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CVE-2013-2465 CRITICAL POC

9.8

CVE-2011-3544 CRITICAL POC

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CVE-2022-40684 CRITICAL POC

9.8

CVE-2025-61882 CRITICAL POC

9.8

CVE-2024-0012 CRITICAL POC

9.3

References

Advisories & patches

PATCH https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3033882%40eventprime-event-calendar-management&new=3033882%40eventprime-event-calendar-management&sfp_email=&sfph_mail= ADVISORY https://vuldb.com/vuln/256292 REF https://www.wordfence.com/threat-intel/vulnerabilities/id/765d0933-8db2-471c-ad4e-e19d3b4ff015?source=cve

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