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Tournamatch - Security Vulnerability (CVE-2026-121379)

CVE-2026-121379

The Tournamatch WordPress plugin before 4.7.1 does not validate or restrict the path of a previously stored profile or team image before deleting it when a new image is uploaded, allowing users with a role as low as Subscriber to delete arbitrary files on the server, such as wp-config.php, which can lead to a full site takeover.

CVE-2026-121379

CRITICAL CVSS 9.6 Published 2026-11-07 Updated 2026-11-10
AI Risk High (89/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P2 Urgent
Severity Band CRITICAL
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H
Affected Components 1
Reference Links 1
AI Risk Engine High (89/100)
Exploitability High
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2026-11-07 CVE published and first recorded in the threat feed.
  2. 2026-11-10 Record updated with latest vulnerability metadata.
  3. 2026-11-08 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 3 days ago

AI enriched 3 days ago (2026-11-08 18:57 UTC)

Technical Summary

The Tournamatch WordPress plugin before 4.7.1 does not validate or restrict the path of a previously stored profile or team image before deleting it when a new image is uploaded, allowing users with a role as low as Subscriber to delete arbitrary files on the server, such as wp-config.php, which can lead to a full site takeover.

Potential Impact

Severity is CRITICAL (CVSS 9.6). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as High 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 89/100 (High, High) with priority P2 Urgent. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

Tournamatch PLUGIN · tournamatch Affected: < 4.7.1 Fixed in: 4.7.1

References

What to do about this

Patch immediately Serious, and reachable without meaningful privilege.

Fix it

Update Tournamatch to 4.7.1 or later.

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

Cannot update today? Request / payload inspection (WAF) in Hack Halt ProSecure blocks this class of attack before WordPress processes the request.

Inspect request parameters and bodies for injection, traversal and file-inclusion payloads, and refuse the request rather than logging it.

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Not sure if you are affected?

Scan your site to see whether it runs Tournamatch, and at which version.

Free, no installation, no account. It reads what your site already publishes, then tells you which plugins carry known vulnerabilities and what to do about each one.

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Am I affected by this vulnerability?

You are affected if your site runs Tournamatch. Versions below 4.7.1 are vulnerable; that release and later are not.

How do I fix it?

Update Tournamatch to version 4.7.1 or later. That is the complete fix. Until you can update, Request / payload inspection (WAF) in Hack Halt ProSecure contains this class of attack at the request layer.

What can an attacker actually do?

This is a Improper Input Validation flaw. An attacker who exploits it can submit values the application never expected, with effects that vary by feature.