Auth bypass in Duckdev 404 To 301
CVE-2021-4338
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.006 (47.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/05d6b27f-b1e5-4bb8-b7db-f8295… (Third Party Advisory)
- plugins.trac.wordpress.org/changeset/2546695/404-to-301 (Patch)
- blog.nintechnet.com/broken-access-control-vulnerability-fixed-in-wordpress-404-… (Exploit)
- wpscan.com/vulnerability/9f147107-bc5a-4a01-9979-cd9e16061f12 (Third Party Advisory)
- www.acunetix.com/vulnerabilities/web/wordpress-plugin-404-to-301-redirect-log-a… (Third Party Advisory)
Frequently asked questions
- What is CVE-2021-4338?
- CVE-2021-4338 is a medium-severity vulnerability in Duckdev 404 To 301, classified under Improper Access Control. CVSS score: 6.4/10. Published 2023-06-07.
- How severe is CVE-2021-4338?
- Medium severity. CVSS v3 base score is 6.4 out of 10.
- Is CVE-2021-4338 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.