CVE-2026-114711: MultiVendorX cross site scripting in subscriber functionality

CVE-2026-114711 · Severity: medium · CVSS 6.5 · Published 2026-10-30

MultiVendorX is a WordPress plugin that manages multiple vendors on an e-commerce site. A cross-site scripting (XSS) vulnerability in versions 5.0.20 and earlier allows authenticated subscribers to inject malicious scripts that can steal visitor data or hijack accounts. The vulnerability requires user interaction—such as clicking a malicious link—to be successfully exploited.

Quick answers

Is CVE-2026-114711 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-114711 being exploited in the wild.
How severe is CVE-2026-114711?
Medium severity, with a CVSS score of 6.5, published 30 October 2026.
Which products and versions are affected?
MultiVendorX <=5.0.20.
Is there a fix for CVE-2026-114711?
Yes: fixed in 5.0.21. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-114711 attacked?
It is attacked over the network.
Am I affected by CVE-2026-114711?
Check whether you run MultiVendorX at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: 5.0.21

Technical details

A stored or reflected XSS vulnerability exists in MultiVendorX that requires subscriber-level privileges and user interaction to exploit. An attacker with subscriber access can craft a request or page that injects arbitrary JavaScript into the site, which executes in the browsers of other users. The vulnerability is resolved in version 5.0.21.

Affected products

  • MultiVendorX <=5.0.20

Timeline

  • 2026-10-30: disclosed

References

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