TI-2026-83302 Aliases CVE-2026-114711 GHSA-28mx-fm2v-w3qq

Cross-site scripting in WordPress MultiVendorX plugin

LOW 28CWE-79Published 2026-10-30 · Updated 2026-10-30

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The MultiVendorX WordPress plugin through 5.0.20 contains a cross-site scripting flaw (CWE-79). Improper neutralization of user input lets an attacker with subscriber access inject script that runs in a victim's browser. Exploitation requires user interaction by the victim.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

Description from the CNA

Subscriber Cross Site Scripting (XSS) in MultiVendorX <= 5.0.20 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00235 14th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
MultiVendorX	MultiVendorX	up to 5.0.20	—	No fix listed	CNA

MultiVendorX VendorMultiVendorX Affected up to 5.0.20 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for MultiVendorX.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

Timeline

2026-10-30 Threatist record created from CVE-2026-114711
2026-10-30 CISA SSVC decision points changed
2026-10-30 Priority changed: MEDIUM → LOW
2026-10-30 Alias added: GHSA-28mx-fm2v-w3qq

References

Other 1

https://patchstack.com/database/wordpress/plugin/dc-woocommerce-multi-vendor/vulnerability/wordpress-multivendorx-plugin-5-0-20-cross-site-scripting-xss-vulnerability?_s_id=cve

TI-2023-28013 WordPress MultiVendorX plugin <= 4.0.23 - Broken Access Control vulnerability CVSS 3.1HIGH 8.2
TI-2026-70675 MultiVendorX Incorrect Authorization via Settings REST Endpoint CVSS 4.0HIGH 7.1
TI-2025-00410 Path traversal in MultiVendorX – WooCommerce Multivendor Marketplace Solutions CVSS 3.1CRITICAL 9.8
TI-2024-07685 Missing authorization in MultiVendorX – WooCommerce Multivendor Marketplace Solutions CVSS 3.1CRITICAL 9.8
TI-2025-31831 WordPress MultiVendorX plugin <= 4.2.23 - Broken Access Control vulnerability CVSS 3.1HIGH 8.6
TI-2024-16234 WordPress MultiVendorX plugin <= 4.0.25 - Broken Access Control vulnerability CVSS 3.1HIGH 8.6

See all 29 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences