S4E just found a high-severity finding from top 10 tcp port service scan
PlatformPlansPartners
Resources
ToolsBlogDocs
Sign Up →
critical·Product Based Web Vulnerabilities·Updated Jan 3, 2024

CVE-2021-24236 Scanner

CVE-2021-24236 scanner - Unrestricted File Upload vulnerability in Imagements plugin for WordPress

Est. Time~10 seconds
Scan TypeSingle Scan
Targetsdomain, ipv4, subdomain
CostFree
3k
Times Used
continuous scan runs
4.8k
Continuously Checked
assets under CS
0
Vulnerabilities Found
confirmed findings
References
CVECVE-2021-24236
9.8
CVSS

The Imagements WordPress plugin through 1.2.5 allows images to be uploaded in comments, however only checks for the Content-Type in the request to forbid dangerous files. This allows unauthenticated attackers to upload arbitrary files by using a valid image Content-Type along with a PHP filename and code, leading to RCE.

Attack Vector
-
Privileges Req.
-
User Interaction
-
Affected
Imagementsby williewonka
1.2.5
Updated Aug 21, 2026View on NVD →
Detail

The Imagements plugin for WordPress is a popular tool used by website owners and bloggers to allow users to upload images in the comments section. This plugin is designed to improve user engagement and enhance the overall browsing experience of readers. The Imagements plugin grants website owners and bloggers the ability to interact with their audience and enable them to add visual aids to their comments to strengthen their message or convey their emotions.

However, the Imagements plugin is not immune to security vulnerabilities. Recently, a critical vulnerability known as CVE-2021-24236 was discovered in the plugin. This vulnerability arises from the fact that the plugin fails to validate uploaded files. Although the plugin checks the Content-Type in the request to prohibit dangerous files, it doesn't take into account that attackers can manipulate this to add arbitrary PHP files with malicious code.

This vulnerability poses a significant risk to website owners and their users. An attacker could exploit this vulnerability by uploading a malicious file disguised as an image. They can then execute arbitrary code on the server, giving them the ability to control the website, extract sensitive data, or steal user credentials. The consequences of such exploitation can be dire, leading to damage to the website's reputation, financial losses, and legal consequences.

It is essential to take these protective measures to keep your website and users safe from exploitation. Thanks to the pro features of the s4e.io platform, you can easily and quickly learn about vulnerabilities in your digital assets. The platform provides timely detection of security vulnerabilities, tracking of remediation progress, and enhanced support. It is a great investment to ensure the security of your website and users.

 

REFERENCES

Solution Advice

There are precautions that can be taken to prevent this vulnerability from being exploited. These precautions include:

  • Installing the latest version of the plugin. The vendor released a patch for the vulnerability in version 1.2.6.
  • Restricting file uploads in the comments section to only files with certain image extensions.
  • Using a Web Application Firewall (WAF) that blocks malicious requests.
  • Assigning user roles and permissions correctly to limit the ability of users to upload files or make changes to the website.

Get AI-powered remediation steps tailored to your asset.

Try AI Solutions →

Check your infrastructure.
Right now.

11,000+ scanners. Free to start. No credit card required.

CVE-2021-24236 scanner - Unrestricted File Upload vulnerability in Imagements plugin for WordPress | S4E