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Redirection For Contact Form 7 - Security Vulnerability (CVE-2021-24282)

CVE-2021-24282

In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, any authenticated user, such as a subscriber, could use the various AJAX actions in the plugin to do a variety of things. For example, an attacker could use wpcf7r_reset_settings to reset the plugin’s settings, wpcf7r_add_action to add actions to a form, and more.

CVE-2021-24282

MEDIUM CVSS 6.3 Published 2021-05-14 Updated 2026-06-17
AI Risk Moderate (54/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P4 Planned
Severity Band MEDIUM
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Affected Components 1
Reference Links 2
AI Risk Engine Moderate (54/100)
Exploitability Medium
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2021-05-14 CVE published and first recorded in the threat feed.
  2. 2026-06-17 Record updated with latest vulnerability metadata.
  3. 2026-04-11 AI technical context refreshed for mitigation and impact guidance.
  4. Now Monitoring for follow-up changes, linked references, and new related CVEs.

AI Context

Machine-generated threat intelligence

AI Updated 163 days ago

AI enriched 163 days ago (2026-04-11 16:18 UTC)

Technical Summary

In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, any authenticated user, such as a subscriber, could use the various AJAX actions in the plugin to do a variety of things. For example, an attacker could use wpcf7r_reset_settings to reset the plugin’s settings, wpcf7r_add_action to add actions to a form, and more.

Potential Impact

Severity is MEDIUM (CVSS 6.3). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as Medium based on severity and technical exposure profile.

Primary risk drivers: severity and technical exposure profile

Mitigation Recommendations

Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.

Detection & Monitoring

Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.

Business Impact Lens

AI risk score 54/100 (Moderate, Medium) with priority P4 Planned. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

References

What to do about this

Patch on your next cycle Worth fixing, but not ahead of other work.

Fix it

Update Redirection For Contact Form 7 to 2.3.4 or later.

That is the complete fix. Everything below is what protects you in the meantime.

No Hack Halt control meaningfully contains this one — updating is the remedy. We would rather say so than sell you something that will not help.

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Not sure if you are affected?

Scan your site to see whether it runs Redirection For Contact Form 7, and at which version.

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Am I affected by this vulnerability?

You are affected if your site runs Redirection For Contact Form 7. Versions below 2.3.4 are vulnerable; that release and later are not. An attacker needs any registered account, so open registration materially increases the risk.

How do I fix it?

Update Redirection For Contact Form 7 to version 2.3.4 or later. That is the complete fix.