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Download Manager - Security Vulnerability (CVE-2023-6421)

CVE-2023-6421

Vulnerability CVE-2023-6421 PLUGIN download-manager HIGH

The Download Manager WordPress plugin before 3.2.83 does not protect file download's passwords, leaking it upon receiving an invalid one.

CVE-2023-6421

HIGH CVSS 7.5 Published 2024-01-01 Updated 2025-06-18
AI Risk Elevated (68/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P3 Priority
Severity Band HIGH
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Components 1
Reference Links 1
AI Risk Engine Elevated (68/100)
Exploitability Medium
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2024-01-01 CVE published and first recorded in the threat feed.
  2. 2025-06-18 Record updated with latest vulnerability metadata.
  3. 2026-04-09 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 153 days ago

AI enriched 153 days ago (2026-04-09 10:19 UTC)

Technical Summary

The Download Manager WordPress plugin before 3.2.83 does not protect file download's passwords, leaking it upon receiving an invalid one.

Potential Impact

Severity is HIGH (CVSS 7.5). 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

Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

Download Manager PLUGIN · download-manager Affected: < 3.2.83 Fixed in: 3.2.83

Related Vulnerabilities

Browse All Threats

Newest linked vulnerabilities to keep visitors exploring adjacent CVE coverage.

Download Manager - Cross-Site Scripting (XSS) (CVE-2026-16685) CVE-2026-16685 Published 2026-08-01 Download Manager - Security Vulnerability (CVE-2026-14292) CVE-2026-14292 Published 2026-08-01 Download Manager - Security Vulnerability (CVE-2026-14235) CVE-2026-14235 Published 2026-07-27 Download Manager - Cross-Site Scripting (XSS) (CVE-2026-14343) CVE-2026-14343 Published 2026-07-09 Download Manager - Cross-Site Scripting (XSS) (CVE-2026-13733) CVE-2026-13733 Published 2026-07-01 Download Manager - Broken Access Control (CVE-2026-4057) CVE-2026-4057 Published 2026-04-10

References

What to do about this

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

Fix it

Update Download Manager to 3.2.83 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.

Start free

Not sure if you are affected?

Scan your site to see whether it runs Download Manager, 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.

Scan my site free See what Hack Halt does

Am I affected by this vulnerability?

You are affected if your site runs Download Manager. Versions below 3.2.83 are vulnerable; that release and later are not.

How do I fix it?

Update Download Manager to version 3.2.83 or later. That is the complete fix.

WordPress security that blocks attacks before they land.

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