// For flags

CVE-2023-33207

WordPress Stop Referrer Spam Plugin <= 1.3.0 is vulnerable to Cross Site Request Forgery (CSRF)

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

Cross-Site Request Forgery (CSRF) vulnerability in Krzysztof Wielogórski Stop Referrer Spam plugin <= 1.3.0 versions.

Vulnerabilidad de Cross-Site Request Forgery (CSRF) en el complemento Krzysztof Wielogórski Stop Referrer Spam en versiones &lt;= 1.3.0.

The Stop Referrer Spam plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.3.0. This is due to insufficient nonce validation on the processParameters function. This makes it possible for unauthenticated attackers to refresh the spam blocklist and save custom URLs via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. The issue was partially patched in version 1.3.0 but because nonce generation does not occur until the first time the admin page is visited, it is possible for an attacker to supply an empty nonce value which will successfully result in settings being saved if the administrator has not yet visited the plugin's admin page.

Cross-Site Request Forgery (CSRF) vulnerability in Krzysztof Wielogórski Stop Referrer Spam plugin <= 1.3.0 versions.

*Credits: Mika (Patchstack Alliance)
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-05-18 CVE Reserved
  • 2023-05-18 CVE Published
  • 2024-08-28 CVE Updated
  • 2024-12-17 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-352: Cross-Site Request Forgery (CSRF)
CAPEC
  • CAPEC-62: Cross Site Request Forgery
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Wielogorski
Search vendor "Wielogorski"
 Stop Referrer Spam
Search vendor "Wielogorski" for product "Stop Referrer Spam"
 <= 1.3.0
Search vendor "Wielogorski" for product "Stop Referrer Spam" and version " <= 1.3.0"
wordpress
Affected