CVE-2026-92086: MW WP Form sensitive information exposure via post_id

CVE-2026-92086 · Severity: medium · CVSS 5.3 · Published 2026-10-29

The MW WP Form plugin for WordPress allows unauthenticated attackers to access sensitive information from form submissions submitted by other users. An attacker can enumerate sequential post IDs to extract names, email addresses, and message content from inquiries, exposing personally identifiable information if the plugin's querystring feature is enabled—a standard and documented capability.

Technologies: Web-Soudan MW WP Form. Vendors: Web-Soudan.

Quick answers

Is CVE-2026-92086 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-92086 being exploited in the wild.
How severe is CVE-2026-92086?
Medium severity, with a CVSS score of 5.3, published 29 October 2026.
Which products and versions are affected?
Web-Soudan MW WP Form up to and including 5.1.7.
Is there a fix for CVE-2026-92086?
Yes: fixed in 5.1.8. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-92086 attacked?
It is attacked over the network.
Am I affected by CVE-2026-92086?
Check whether you run Web-Soudan MW WP Form 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: 5.1.8

Technical details

The plugin fails to properly enforce access controls when forms are configured with the querystring setting enabled, allowing unauthenticated access to form records via sequential post_id parameter enumeration. An attacker with network access can extract PII from form submissions without authentication. The vulnerability is patched in version 5.1.8.

Affected products

  • web-soudan MW WP Form up to and including 5.1.7

Timeline

  • 2026-10-29: disclosed
  • 2026-09-20: patched: Fix released in version 5.1.7/5.1.8

References

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