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Multivendorx CVE-2020-36741

MEDIUM
Cross-Site Request Forgery (CSRF) (CWE-352)
2023-07-01 security@wordfence.com
4.3
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V3 - Web Frontend Security Anti-CSRF tokens, SameSite cookies
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 4.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. EPSS exploitation probability: 0.13%.

Exploit ScenarioDerived

A remote attacker could trick authenticated users into performing unintended actions by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAI

The MultiVendorX plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.5.7. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.

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 as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. The MultiVendorX plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.5.7. This is due to missing or incorrect nonce validation on the submit_comment() function. This makes it possible for unauthenticated attackers to submit comments via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. Affected products include: Multivendorx.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:N/UI:R/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
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

DescriptionCVE.org

The MultiVendorX plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.5.7. This is due to missing or incorrect nonce validation on the submit_comment() function. This makes it possible for unauthenticated attackers to submit comments via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Threat Intelligence Overview

EPSS Score
0.1%
Top 67% exploitable
Data Quality
4 sources
Confidence: Medium

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 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
No
Human Impact· derived
Medium

Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Request Forgery exploits the automatic credential inclusion behavior of web browsers.

Affected Products (CPE)CVE.org

cpe:2.3:a:multivendorx:multivendorx:*:*:*:*:*:wordpress:*:*
CVE-2026-16605 HIGH POC
7.2 Aug 05

Broken object-level authorization in the MultiVendorX WordPress plugin before 5.0.11 allows any authenticated vendor (St

CVE-2026-74925 HIGH POC
7.2 Sep 11

Privilege escalation in MultiVendorX WordPress plugin before 5.0.16 allows authenticated vendor-role users to grant admi

CVE-2026-74926 HIGH POC
7.1 Sep 16

Broken access control in the MultiVendorX WordPress plugin (versions 5.0.0 through 5.0.15) allows any authenticated user

CVE-2023-5348 MEDIUM POC
6.1 Dec 18

The Product Catalog Mode For WooCommerce WordPress plugin before 5.0.3 does not properly authorize settings updates or e

CVE-2024-8289 CRITICAL
9.8 Sep 04

The MultiVendorX - The Ultimate WooCommerce Multivendor Marketplace Solution plugin for WordPress is vulnerable to privi

CVE-2026-74927 MEDIUM POC
5.3 Sep 02

Unauthenticated information disclosure in the MultiVendorX WordPress plugin (versions prior to 5.0.15) exposes sensitive

CVE-2024-25929 CRITICAL
9.1 Jun 09

Missing Authorization vulnerability in MultiVendorX Product Catalog Enquiry for WooCommerce by MultiVendorX.0.5. Rated c

CVE-2024-31304 HIGH
8.8 Jun 09

Missing Authorization vulnerability in MultiVendorX WC Marketplace.1.3. Rated high severity (CVSS 8.8), this vulnerabili

CVE-2026-66441 HIGH
7.5 Aug 13

Unauthenticated broken access control in the MultiVendorX WordPress plugin (versions 5.0.10 and earlier) exposes restric

CVE-2025-48261 HIGH
7.5 Jun 09

CVE-2025-48261 is an information disclosure vulnerability in MultiVendorX that allows unauthenticated remote attackers t

CVE-2026-108695 HIGH
7.1 Oct 11

Authenticated vendor (store_owner) accounts in the MultiVendorX WooCommerce plugin through 5.0.19 can silently overwrite

CVE-2026-16746 LOW POC
2.7 Aug 05

Insecure Direct Object Reference (IDOR) in the MultiVendorX WordPress plugin before 5.0.11 exposes confidential financia

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