VulnCrest
Search
Create account
Report an incident
Radar sectionsDatabase
Check my site
WordPress plugin

SEO Redirection <= 8.1 — Subscriber+ SQL Injection

CVE-2021-24847Published · Updated

Action summary

Affected: ≤8.1Update to 8.2 or newer

All remediation steps
Watch plugin
Severity
High8.8
CVSS
8.8
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:H Confidentiality
High
I:H Integrity
High
A:H Availability
High
Weakness
CWE-89 SQL Injection
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

SEO Redirection Plugin – 301 Redirect Manager seo-redirection

  1. Affected≤ 8.1
  2. Patched in8.2

Update to 8.2 or newer.

You are affected if you run ≤ 8.1. Version 8.2 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under SEO Redirection Plugin – 301 Redirect Manager.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 8.2, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch SEO Redirection Plugin – 301 Redirect Manager to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to ZhongFu Su.

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

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in SEO Redirection Plugin – 301 Redirect Manager

All 11
More vulnerabilities in SEO Redirection Plugin – 301 Redirect Manager
SeverityVulnerabilityCVEPublished
Medium4.3Authenticated (Subscriber+) Information Exposure
≤9.18Update to 9.19
CVE-2026-13703
High7.2Unauthenticated Stored Cross-Site Scripting
≤9.17Update to 9.18
CVE-2026-52702
High8.8Cross-Site Request Forgery
≤8.9Update to 9.1
CVE-2022-40695
High8.8Cross-Site Request Forgery
≤8.9Update to 9.1
CVE-2022-38704
Medium6.5Cross-Site Request Forgery
≤7.8Update to 7.9
—

Same weakness (SQL Injection)

All SQL Injection
Other SQL Injection vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity high, CVSS 8.8

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

How we use these sources

Search VulnCrest Radar

Jump to

Are you sure?