# CVE-2026-119745: MultiVendorX WordPress plugin missing authorization in debug download

Source: https://junglewise.ai/threats/cve-2026-119745-multivendorx-plugin-for-wordpress-before-5-0-21-contains-a  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-04. Updated: 2026-11-04  
License: CC BY 4.0 with a link back

CVE-2026-119745 · Severity: medium · CVSS 4.3 · Published 2026-11-04

MultiVendorX is a WordPress plugin that helps businesses build multivendor marketplaces on WooCommerce. The plugin contains a flaw that allows any logged-in user, even those with minimal privileges like Subscribers, to download a diagnostic file containing sensitive information such as WordPress and plugin versions, active themes, and encrypted API keys. An attacker could use this information to identify security weaknesses or gain unauthorized access to connected accounts.

Technologies: [MultiVendorX](https://junglewise.ai/threats/technologies/multivendorx). Vendors: [MultiVendorX](https://junglewise.ai/threats/vendors/multivendorx).

## Quick answers

**Is CVE-2026-119745 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-119745 being exploited in the wild.

**How severe is CVE-2026-119745?** Medium severity, with a CVSS score of 4.3, published 4 November 2026.

**Which products and versions are affected?** MultiVendorX before 5.0.21.

**Is there a fix for CVE-2026-119745?** 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-2026-119745 attacked?** It is attacked over the network.

**Am I affected by CVE-2026-119745?** 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

The vulnerability is a missing authorization check in the downloadDebugFile() function handling the admin_post_sender_debug_download action. Any authenticated WordPress user can trigger the vulnerable endpoint via wp-admin/admin-post.php?action=sender_debug_download without capability, nonce, or referrer verification. The exploit exposes system inventory, plugin settings, and sensitive credentials including Sender account resource keys.

## Affected products

- MultiVendorX MultiVendorX before 5.0.21

## Timeline

- 2026-11-04: disclosed

## References

- [https://wordpress.org/plugins/dc-woocommerce-multi-vendor/](https://wordpress.org/plugins/dc-woocommerce-multi-vendor/)
- [https://www.vulncheck.com/advisories/multivendorx-wordpress-plugin-broken-access-control-via-admin-post-sender-debug-download](https://www.vulncheck.com/advisories/multivendorx-wordpress-plugin-broken-access-control-via-admin-post-sender-debug-download)

## Related threats

- [MultiVendorX broken access control in stores REST route](https://junglewise.ai/threats/cve-2026-127211-multivendorx-plugin-for-wordpress-before-5-0-22-contains-a)
- [MultiVendorX WordPress plugin authorization bypass in settings endpoint](https://junglewise.ai/threats/cve-2026-108695-multivendorx-wordpress-plugin-through-5-0-19-contains-an)
- [MultiVendorX privilege escalation to administrator](https://junglewise.ai/threats/cve-2026-74925-multivendorx-privilege-escalation-to-administrator)
- [MultiVendorX plugin missing authorization in REST API](https://junglewise.ai/threats/cve-2026-74927-multivendorx-plugin-missing-authorization-in-rest-api)
- [MultiVendorX WooCommerce Marketplace SQL injection in order_by parameter](https://junglewise.ai/threats/cve-2026-12941-multivendorx-woocommerce-marketplace-sql-injection-in-order-by)