Multiple vulnerabilities in WP Upload Restriction plugin for WordPress
| Risk | Medium |
| Patch available | NO |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2021-34627 CVE-2021-34626 CVE-2021-34625 |
| CWE-ID | CWE-284 CWE-79 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
WP Upload Restriction Web applications / Modules and components for CMS |
| Vendor | Sajjad Hossain Sagor |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Improper access control
EUVDB-ID: #VU56050
Risk: Medium
CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:U/RC:C]
CVE-ID: CVE-2021-34627
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in the "getSelectedMimeTypesByRole" function. A remote authenticated attacker can bypass implemented security restrictions and retrieve approved mime types for any given role.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsWP Upload Restriction: 1.0.0 - 2.2.3
CPE2.3- cpe:2.3:a:sajjad67:wp-upload-restriction:2.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:sajjad67:wp-upload-restriction:2.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:sajjad67:wp-upload-restriction:2.2.1:*:*:*:*:*:*:*
http://www.wordfence.com/vulnerability-advisories/#CVE-2021-34627
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Improper access control
EUVDB-ID: #VU56048
Risk: Medium
CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:U/RC:C]
CVE-ID: CVE-2021-34626
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in the "deleteCustomType" function. A remote authenticated attacker can bypass implemented security restrictions and delete custom extensions.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsWP Upload Restriction: 1.0.0 - 2.2.3
CPE2.3- cpe:2.3:a:sajjad67:wp-upload-restriction:2.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:sajjad67:wp-upload-restriction:2.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:sajjad67:wp-upload-restriction:2.2.1:*:*:*:*:*:*:*
http://www.wordfence.com/vulnerability-advisories/#CVE-2021-34625
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user 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: #VU56049
Risk: Low
CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:U/RC:C]
CVE-ID: CVE-2021-34625
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: No
DescriptionThe 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 the "saveCustomType" function. A remote authenticated attacker can inject 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.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsWP Upload Restriction: 1.0.0 - 2.2.3
CPE2.3- cpe:2.3:a:sajjad67:wp-upload-restriction:2.2.3:*:*:*:*:*:*:*
- cpe:2.3:a:sajjad67:wp-upload-restriction:2.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:sajjad67:wp-upload-restriction:2.2.1:*:*:*:*:*:*:*
http://www.wordfence.com/vulnerability-advisories/#CVE-2021-34625
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
