Multiple vulnerabilities in WPS Limit Login plugin for WordPress



Published: 2019-07-24
Risk Medium
Patch available YES
Number of vulnerabilities 5
CVE-ID N/A
CWE-ID CWE-79
CWE-352
CWE-285
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		WPS Limit Login
Web applications / Modules and components for CMS

Vendor WPServeur, NicolasKulka, benoitgeek

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Stored cross-site scripting

EUVDB-ID: #VU19347

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in admin area in "/blocks/log.php" and "/classes/plugin.php" files. A remote attacker can trick the victim by usage of the preinstalled jQuery to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

File: /blocks/log.php
  • …<?php echo $user_info['ip']; ?>…

File: /classes/plugin.php
  • echo '<p>' . date_i18n( 'd/m/Y H:i:s', $date ) . ' - ' . $user_info['ip']…

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WPS Limit Login: 1.0 - 1.4.5

External links

http://secupress.me/blog/wps-limit-login-v1-4-5-multiple-vulnerabilities/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Stored cross-site scripting

EUVDB-ID: #VU19348

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in admin area in the "/blocks/whitelist.php" file on 2-3 lines. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

2-3 lines: 

$wps_limit_login_white_list_ips = $this->get_option( 'wps_qlimit_login_whitelist' );

$wps_limit_login_white_list_ips = ( is_array( $wps_limit_login_white_list_ips ) && ! empty( $wps_limit_login_white_list_ips ) ) ? implode( "\n", $wps_limit_login_white_list_ips ) : '';

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WPS Limit Login: 1.0 - 1.4.5

External links

http://secupress.me/blog/wps-limit-login-v1-4-5-multiple-vulnerabilities/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Stored cross-site scripting

EUVDB-ID: #VU19349

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in admin area in the "/blocks/whitelist.php" file on 20 line. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

20 line:

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WPS Limit Login: 1.0 - 1.4.5

External links

http://secupress.me/blog/wps-limit-login-v1-4-5-multiple-vulnerabilities/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Cross-site request forgery

EUVDB-ID: #VU19350

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-352 - Cross-Site Request Forgery (CSRF)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in the "/classes/plugin.php" file . A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

WPS Limit Login: 1.0 - 1.4.5

External links

http://secupress.me/blog/wps-limit-login-v1-4-5-multiple-vulnerabilities/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Improper Authorization

EUVDB-ID: #VU19351

Risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass the protection.

The vulnerability exists in the "get_address()" method which read the variable "HTTP_X_FORWARDED_FOR". A remote attacker can change the header X-Forwarded-For for each request to always be the first attempt, create an automated brute force on the password and gain unauthorized access to the target system.




Mitigation

Install updates from vendor's website.

Vulnerable software versions

WPS Limit Login: 1.0 - 1.4.5

External links

http://secupress.me/blog/wps-limit-login-v1-4-5-multiple-vulnerabilities/


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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