What is the CVSS score of CVE-2024-9531?

CVE-2024-9531 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.3%.

Multivendorx CVE-2024-9531

MEDIUM

Improper Authorization (CWE-285)

2024-10-24 security@wordfence.com

WordPress Authentication Bypass Multivendorx

4.3

CVSS 3.1 · Vendor: wordfence

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Vulnerability Assessment

Weakness	CWE CWE-285 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V8 - Authorization Authorization verification MITRE ATT&CK 1 technique across 1 tactic: Defense Evasion The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 4.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, no user interaction not required.
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).

No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAI

The MultiVendorX - The Ultimate WooCommerce Multivendor Marketplace Solution plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-285. The MultiVendorX - The Ultimate WooCommerce Multivendor Marketplace Solution plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'mvx_sent_deactivation_request' function in all versions up to, and including, 4.2.4. This makes it possible for authenticated attackers, with Subscriber-level access and above, to send a canned email to the site's administrator asking to delete the profile of an arbitrary vendor. Affected products include: Multivendorx.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (wordfence) PRIMARY 4.3 MEDIUM

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

Primary rating from Vendor (wordfence) · only source for this CVE.

CVSS VectorVendor: wordfence

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

DescriptionCVE.org

The MultiVendorX - The Ultimate WooCommerce Multivendor Marketplace Solution plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'mvx_sent_deactivation_request' function in all versions up to, and including, 4.2.4. This makes it possible for authenticated attackers, with Subscriber-level access and above, to send a canned email to the site's administrator asking to delete the profile of an arbitrary vendor.

Threat Intelligence Overview

EPSS Score

0.3%

Top 75% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

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 0.3%

Patch available No

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

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +22

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:multivendorx:multivendorx:*:*:*:*:*:wordpress:*:*

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Same weakness CWE-285 – Improper Authorization

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CVE-2025-29659 CRITICAL POC

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9.8

CVE-2024-0012 CRITICAL POC

9.3

References

Advisories & patches

REF https://plugins.trac.wordpress.org/browser/dc-woocommerce-multi-vendor/trunk/classes/class-mvx-ajax.php#L3780 REF https://plugins.trac.wordpress.org/changeset/3173238/dc-woocommerce-multi-vendor/trunk/classes/class-mvx-ajax.php?contextall=1&old=3168957&old_path=%2Fdc-woocommerce-multi-vendor%2Ftrunk%2Fclasses%2Fclass-mvx-ajax.php REF https://www.wordfence.com/threat-intel/vulnerabilities/id/5af1063c-615e-4196-9fa6-960c008544c4?source=cve

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