404 to 301 <= 3.0.7 - Missing Authorization to Redirect Creation
Priority LOW 29CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00617 49th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| joelcj91 | 404 to 301 – Redirect, Log and Notify 404 Errors | up to 3.0.7 | — | No fix listed | CNA |
- 404 to 301 – Redirect, Log and Notify 404 Errors Vendorjoelcj91 Affected up to 3.0.7 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-4338
- 2026-10-03 Alias added: GHSA-ph5r-wpp4-cgh6
References
Advisory 3
- https://www.wordfence.com/threat-intel/vulnerabilities/id/05d6b27f-b1e5-4bb8-b7db-f8295a5e0d5b?source=cve
- https://wpscan.com/vulnerability/9f147107-bc5a-4a01-9979-cd9e16061f12
- https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-404-to-301-redirect-log-and-notify-404-errors-security-bypass-3-0-7/
More Duckdev 404 To 301 vulnerabilities
- TI-2015-07700 The 404-to-301 plugin before 2.0.3 for WordPress has SQL injection. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-4338 · CVE Program
- CVE-2021-4338 · NVD
- FIRST EPSS
- GHSA-ph5r-wpp4-cgh6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences