Redirection for Contact Form 7 <= 2.4.0 — Missing Authorization
CVE-2021-36913Published · Updated Action summary
Affected: ≤2.4.0Update to 2.7.0 or newer
All remediation steps- Severity
- Medium5.3
- CVSS
- 5.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:UScope- Unchanged
C:NConfidentiality- None
I:LIntegrity- Low
A:NAvailability- None
- Weakness
- CWE-862 Missing Authorization
- Required access
- No account needed
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Redirection for Contact Form 7 wpcf7-redirect
- Affected≤ 2.4.0
- Patched in2.7.0
Update to 2.7.0 or newer.
You are affected if you run ≤ 2.4.0. Version 2.7.0 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Redirection for Contact Form 7.
- No admin access? Run a passive check of your site. It reads public files only.
- No account is needed to exploit this. Treat any exposed site on an affected version as at risk.
What to do
- Update to version 2.7.0, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Redirection for Contact Form 7 to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to mirphak.
The Redirection for Contact Form 7 plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on an unknown function in versions up to, and including, 2.4.0. This makes it possible for unauthenticated attackers to update the plugin's options.
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 Redirection for Contact Form 7
All 21| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium5.3 | Missing Authorization <3.2.16Update to 3.2.16 | CVE-2026-121873 | |
| Medium5.3 | Missing Authorization to Unauthenticated Arbitrary Post Meta Modification and Arbitrary File Copy via 'wpcf7-redirect' Parameter ≤3.2.14Update to 3.2.15 | CVE-2026-120659 | |
| High7.2 | 3.2.11 - Unauthenticated Stored Cross-Site Scripting 2.2.7 – 3.2.11Update to 3.2.12 | CVE-2026-111574 | |
| Medium6.5 | 3.2.10 - Unauthenticated Arbitrary Shortcode Execution 2.2.7 – 3.2.10Update to 3.2.11 | CVE-2026-80439 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤3.2.8Update to 3.2.9 | CVE-2026-23970 |
- Medium5.3Missing Authorization
<3.2.16Update to 3.2.16
- Medium5.3Missing Authorization to Unauthenticated Arbitrary Post Meta Modification and Arbitrary File Copy via 'wpcf7-redirect' Parameter
≤3.2.14Update to 3.2.15
- High7.23.2.11 - Unauthenticated Stored Cross-Site Scripting
2.2.7 – 3.2.11Update to 3.2.12
- Medium6.53.2.10 - Unauthenticated Arbitrary Shortcode Execution
2.2.7 – 3.2.10Update to 3.2.11
- High7.2Unauthenticated Stored Cross-Site Scripting
≤3.2.8Update to 3.2.9
Same weakness (Missing Authorization)
All Missing Authorization| 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 5.3
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.