CVE-2021-4338

MEDIUM
Published Jun 7, 20233y ago · Modified Jun 17, 20262w ago
5.4 CVSS 3.1
Medium
Find Similar
Published Jun 7, 2023 3y ago
Last Modified Jun 17, 2026 2w ago

Description

The 404 to 301 plugin for WordPress is vulnerable to authorization bypass due to missing capability checks on the open_redirect & save_redirect functions in versions up to, and including, 3.0.7. This makes it possible for authenticated attackers to view, create and edit redirections.

CVSS Details

Base Score
5.4
Exploitability
2.3
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 2

CWE-284
CWE-862 Missing Authorization Authorization

Affected Products 1

VendorProductVersionRange
duckdev404_to_301* ≤3.0.7

References 5

  • blog.nintechnet.com https://blog.nintechnet.com/broken-access-control-vulnerability-fixed-in-wordpress-404-to-301-plugin/
    Exploit
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/2546695/404-to-301
    Patch
  • wpscan.com https://wpscan.com/vulnerability/9f147107-bc5a-4a01-9979-cd9e16061f12
    Third Party Advisory
  • acunetix.com https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-404-to-301-redirect-log-and-notify-404-errors-security-bypass-3-0-7/
    Third Party Advisory
  • wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/05d6b27f-b1e5-4bb8-b7db-f8295a5e0d5b?source=cve
    Third Party Advisory

Remediation