CVE-2026-27393: Tobias CF7 WOW Styler missing authorization in access control

CVE-2026-27393 · Severity: medium · CVSS 5.3 · Published 2026-05-21

CF7 WOW Styler is a WordPress plugin used to customize the appearance of Contact Form 7 forms. A security flaw in the plugin allows unauthorized individuals to bypass access controls and potentially modify settings or perform actions intended only for administrators. This could lead to unauthorized changes to the website's form styles or configuration, though it does not directly expose sensitive customer data.

Vendors: Tobias.

Quick answers

Is CVE-2026-27393 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-27393 being exploited in the wild.
How severe is CVE-2026-27393?
Medium severity, with a CVSS score of 5.3, published 21 May 2026.
Which products and versions are affected?
Tobias CF7 WOW Styler <= 1.7.6.
Is there a fix for CVE-2026-27393?
A patch was published on 2026-05-21: Patch available in version 1.8.5 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-27393 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-27393?
Check whether you run Tobias CF7 WOW Styler 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.

Technical details

The CF7 WOW Styler plugin for WordPress is vulnerable to a Broken Access Control (Missing Authorization) vulnerability in versions up to and including 1.7.6. The flaw stems from a failure to implement proper authorization checks or nonce validation on certain functions, allowing unauthenticated attackers to execute actions that should be restricted to higher-privileged users. An attacker can exploit this over the network without any user interaction. The vulnerability is classified as CWE-862 (Missing Authorization). A patch is available in version 1.8.5.

Affected products

  • Tobias CF7 WOW Styler <= 1.7.6

Timeline

  • 2025-11-14: other: Reported by Rapid0nion
  • 2026-05-21: disclosed: Early warning sent to Patchstack customers
  • 2026-05-21: advisory: Published by Patchstack and NVD
  • 2026-05-21: patched: Patch available in version 1.8.5

References

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