Cross-site scripting in Awesome Support – WordPress HelpDesk & Support Plugin



Published: 2021-11-30
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-36919
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Awesome Support – WordPress HelpDesk & Support Plugin
Web applications / Modules and components for CMS

Vendor Awesome Support Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU58458

Risk: Low

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-36919

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. A remote authenticated 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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Awesome Support – WordPress HelpDesk & Support Plugin: 3.0.0, 3.0.1, 3.1.0, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.5, 3.1.6, 3.1.7, 3.1.8, 3.1.9, 3.1.10, 3.1.11, 3.1.12, 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.2.4, 3.2.5, 3.2.6, 3.2.7, 3.2.8, 3.2.9, 3.3.0, 3.3.1, 3.3.2, 3.3.3, 3.3.4, 4.0.0, 4.0.1, 4.0.2, 4.0.3, 4.0.4, 4.0.5, 4.0.6, 4.1.0, 4.2.1, 4.3.0, 4.3.1, 4.3.2, 4.3.3, 4.3.4, 4.3.5, 5.0.0, 5.1.0, 5.1.1, 5.5.0, 5.5.1, 5.5.2, 5.7.0, 5.7.1, 5.8.0, 5.8.2, 6.0.0, 6.0.1, 6.0.3, 6.0.5, 6.0.6

CPE2.3 External links

http://patchstack.com/database/vulnerability/awesome-support/wordpress-awesome-support-plugin-6-0-6-multiple-authenticated-reflected-cross-site-scripting-xss-vulnerabilities
http://wordpress.org/plugins/awesome-support/#developers

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.



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