Blog

"Prevention is cheaper than a breach"

Home / Threats / CVE-2021-24847

CVE-2021-24847 - 301 Redirect Manager Plugin

CVE-2021-24847

The importFromRedirection AJAX action of the SEO Redirection Plugin – 301 Redirect Manager WordPress plugin before 8.2, available to any authenticated user, does not properly sanitise the offset parameter before using it in a SQL statement, leading an SQL injection when the redirection plugin is also installed

CVE-2021-24847

HIGH CVSS 8.8 Published 2021-11-17 Updated 2024-11-21
AI Risk High (78/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P2 Urgent
Severity Band HIGH
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Components 2
Reference Links 1
AI Risk Engine High (78/100)
Exploitability High
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2021-11-17 CVE published and first recorded in the threat feed.
  2. 2024-11-21 Record updated with latest vulnerability metadata.
  3. 2026-04-11 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 5 days ago

AI enriched 5 days ago (2026-04-11 00:39 UTC)

Technical Summary

The importFromRedirection AJAX action of the SEO Redirection Plugin – 301 Redirect Manager WordPress plugin before 8.2, available to any authenticated user, does not properly sanitise the offset parameter before using it in a SQL statement, leading an SQL injection when the redirection plugin is also installed

Potential Impact

Severity is HIGH (CVSS 8.8). 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 78/100 (High, High) with priority P2 Urgent. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

301 Redirect Manager PLUGIN · 301-redirect-manager Affected: < 8.2 Fixed in: 8.2
Before 8 PLUGIN · before-8 Affected: < 8.2 Fixed in: 8.2
Scroll to top