SEO Redirection <= 6.4 — Authenticated Stored Cross-Site Scripting
CVE-2021-24327Published · Updated Action summary
Affected: ≤6.4Update to 7.1 or newer
All remediation steps- Severity
- Medium4.8
- CVSS
- 4.8CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:HPrivileges required- High
UI:RUser interaction- Required
S:CScope- Changed
C:LConfidentiality- Low
I:LIntegrity- Low
A:NAvailability- None
- Weakness
- CWE-79 Cross-Site Scripting
- 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
- Affected≤ 6.4
- Patched in7.1
Update to 7.1 or newer.
You are affected if you run ≤ 6.4. Version 7.1 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
- Update to version 7.1, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- 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 R3N0.
The SEO Redirection Plugin – 301 Redirect Manager WordPress plugin before 7.1 did not sanitise the Redirect From and Redirect To fields when creating a new redirect in the dashboard, allowing high privilege users (even with the unfiltered_html disabled) to set XSS payloads
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in SEO Redirection Plugin – 301 Redirect Manager
All 11| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.3 | Authenticated (Subscriber+) Information Exposure ≤9.18Update to 9.19 | CVE-2026-13703 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤9.17Update to 9.18 | CVE-2026-52702 | |
| High8.8 | Cross-Site Request Forgery ≤8.9Update to 9.1 | CVE-2022-40695 | |
| High8.8 | Cross-Site Request Forgery ≤8.9Update to 9.1 | CVE-2022-38704 | |
| High8.8 | Subscriber+ SQL Injection ≤8.1Update to 8.2 | CVE-2021-24847 |
- Medium4.3Authenticated (Subscriber+) Information Exposure
≤9.18Update to 9.19
- High7.2Unauthenticated Stored Cross-Site Scripting
≤9.17Update to 9.18
- High8.8Cross-Site Request Forgery
≤8.9Update to 9.1
- High8.8Cross-Site Request Forgery
≤8.9Update to 9.1
- High8.8Subscriber+ SQL Injection
≤8.1Update to 8.2
Same weakness (Cross-Site Scripting)
All Cross-Site Scripting| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- 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
- 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
- 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
- Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity medium, CVSS 4.8
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. 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.