CVE-2026-0811: vsourz1td Advanced Contact form 7 DB CSRF in vsz_cf7_save_setting_callback

CVE-2026-0811 · Severity: medium · CVSS 5.4 · Published 2026-04-08

The Advanced Contact form 7 DB plugin for WordPress, which stores and manages contact form submissions, is vulnerable to a security flaw that could allow attackers to delete form entries. By tricking a site administrator into clicking a malicious link, an attacker can remotely trigger the deletion of stored data without the administrator's knowledge. This could lead to the loss of important customer inquiries or business leads.

Quick answers

Is CVE-2026-0811 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-0811 being exploited in the wild.
How severe is CVE-2026-0811?
Medium severity, with a CVSS score of 5.4, published 8 April 2026.
Which products and versions are affected?
vsourz1td Advanced Contact form 7 DB <= 2.0.9.
Is there a fix for CVE-2026-0811?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-0811 attacked?
It is attacked over the network, in a software library.
Am I affected by CVE-2026-0811?
Check whether anything you run is named in the advisory. 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 Advanced Contact form 7 DB plugin for WordPress is vulnerable to Cross-Site Request Forgery (CSRF) due to missing or incorrect nonce validation on the 'vsz_cf7_save_setting_callback' function. This vulnerability affects all versions up to and including 2.0.9. An unauthenticated attacker can exploit this by crafting a malicious request and using social engineering to trick a logged-in administrator into executing it (e.g., by clicking a link). Successful exploitation allows the attacker to delete form entries stored in the database. A patch appears to have been addressed in changeset 3497481.

Affected products

  • vsourz1td Advanced Contact form 7 DB <= 2.0.9

Timeline

  • 2026-04-08: disclosed
  • 2026-04-08: advisory

References

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