// For flags

CVE-2021-24278

Redirection for Contact Form 7 < 2.3.4 - Unauthenticated Arbitrary Nonce Generation

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, unauthenticated users can use the wpcf7r_get_nonce AJAX action to retrieve a valid nonce for any WordPress action/function.

En el plugin de WordPress Redirection for Contact Form versiones 7 anteriores a 2.3.4, los usuarios no autenticados pueden usar la acción AJAX wpcf7r_get_nonce para recuperar un nonce válido para cualquier acción o función de WordPress

*Credits: Chloe Chamberland
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-14 CVE Reserved
  • 2021-04-20 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • 2024-11-03 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-863: Incorrect Authorization
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Querysol
Search vendor "Querysol"
 Redirection For Contact Form 7
Search vendor "Querysol" for product "Redirection For Contact Form 7"
 < 2.3.4
Search vendor "Querysol" for product "Redirection For Contact Form 7" and version " < 2.3.4"
wordpress
Affected