CVE-2021-24212 Scanner

WooCommerce Help Scout is a popular plugin used by numerous online businesses to bridge their e-commerce platforms with customer support services. It is widely utilized by WooCommerce users to enhance customer interaction directly from their websites. The plugin assists in managing help desk tickets and customer inquiries efficiently, thereby improving customer support capabilities. Many businesses rely on it to streamline communication and maintain a record of customer interactions. It is crucial tool for business environments where robust customer service management is essential. Such integration facilitates swift responses to customer queries, enhancing overall user satisfaction.

The unrestricted file upload vulnerability in the WooCommerce Help Scout plugin allows unauthorized users to upload potentially malicious files onto the server. This vulnerability exists in versions prior to 2.9.1, where insufficient validation of file types during uploads permits arbitrary files to be uploaded. Such vulnerabilities can be exploited to execute remote code if uploaded files are maliciously crafted. Unauthorized files are uploaded to a specific directory on the server, posing a serious security risk. Left unchecked, this vulnerability can lead to unauthorized actions on the server, undermining the security of the entire site. It is essential for users of affected versions to be mindful of such vulnerabilities.

The vulnerability particularly affects the endpoint responsible for handling file uploads in WooCommerce Help Scout. Malicious actors can leverage this vulnerability by sending HTTP requests containing unauthorized files to be uploaded. The parameter controlling the file upload process fails to thoroughly scrutinize the file content, extension, and type. Once uploaded, these files can be accessed and potentially executed from the server, bypassing security protocols. Technical analysts should focus on implementing strict validation measures at the upload endpoint to mitigate risks. These measures include checks on file extensions, types, and execution permissions.

Exploitation of this vulnerability could lead to severe consequences including unauthorized access and control over the web server. It could allow attackers to execute code remotely, leading to the compromise of sensitive data and functionality. The integrity of the entire web application could be jeopardized, rendering the business operations vulnerable to malicious threats. Malicious uploads might facilitate further exploitation, enabling attackers to install backdoors or exfiltrate data. Such compromises may also affect the reputation and trustworthiness of the business, culminating in financial and resource losses.

REFERENCES

• https://wpscan.com/vulnerability/cf9305e8-f5bc-45c3-82db-0ef00fd46129/
• https://sploitus.com/exploit?id=WPEX-ID:CF9305E8-F5BC-45C3-82DB-0ef00fd46129
• https://nvd.nist.gov/vuln/detail/CVE-2021-24212