CVE-2020-36741 | MultiVendorX – MultiVendor Marketplace Solution For WooCommerce <= 3.5.7 - Cross-Site Request Forgery Bypass

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.

Published: 2023-07-01 Last update: 2026-04-08 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2020-36741 is rated Low Risk (30.1/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.16%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2020-36741

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-27 0.11% 0.16% +0.06%
2 2025-11-21 0.17% 0.11% -0.06%
3 2025-11-18 0.17%

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-36741

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 1.4 [email protected]
4.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 1.4 [email protected]

Weakness enumeration for CVE-2020-36741

Affected software / configurations for CVE-2020-36741

Vendor Product Version Raw CPE
multivendorx multivendorx <= 3.5.7 cpe:2.3:a:multivendorx:multivendorx:*:*:*:*:*:wordpress:*:*

References for CVE-2020-36741

URL Tags
https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/ Third Party Advisory
https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/ Third Party Advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/ Third Party Advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/ Third Party Advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/ Third Party Advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/ Third Party Advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/ Third Party Advisory
https://plugins.trac.wordpress.org/browser/dc-woocommerce-multi-vendor/tags/3.5.8/classes/class-wcmp-vendor-dashboard.php?rev=2381617#L432 Release Notes
https://www.wordfence.com/threat-intel/vulnerabilities/id/2c3d9fa7-8ea2-4213-8b28-2ca9191a8223?source=cve Third Party Advisory
cvelogic Threat Intelligence