CVE-2026-24550
BaseFortify
Publication date: 2026-01-23
Last updated on: 2026-04-28
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| patchstack | blockons | to 1.2.15 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-24550 is a Cross Site Scripting (XSS) vulnerability in the WordPress Blockons Plugin versions up to 1.2.15. It allows an attacker to inject malicious scripts into web pages generated by the plugin. Exploitation requires a privileged user (Contributor or Developer) to interact with a crafted malicious link, page, or form. Once exploited, the malicious scripts can execute when site visitors access the compromised pages, potentially causing redirects, displaying unwanted advertisements, or other harmful HTML payloads. [1]
How can this vulnerability impact me? :
This vulnerability can impact you by allowing attackers to execute malicious scripts on your website through the Blockons plugin. This can lead to unauthorized redirects, display of unwanted advertisements, or other malicious content affecting your site visitors. However, exploitation requires interaction by a privileged user, which limits the risk. The overall risk is considered moderate with a CVSS score of 6.5, and no official fix is currently available. [1]
How can this vulnerability be detected on my network or system? Can you suggest some commands?
Detection involves monitoring for suspicious input or script injection attempts in the Blockons plugin interface, especially actions performed by users with Contributor or Developer privileges. Since exploitation requires user interaction with crafted inputs, reviewing logs for unusual POST requests or input fields containing script tags or suspicious HTML payloads can help. Specific commands are not provided in the resources. [1]
What immediate steps should I take to mitigate this vulnerability?
Immediate mitigation steps include restricting privileged user roles (Contributor or Developer) from interacting with untrusted content, educating users about the risks of clicking unknown links or submitting untrusted forms, and monitoring for suspicious activity. Since no official fix or patched version is currently available, applying strict input validation and sanitization at the application level or using web application firewalls to block malicious scripts can help reduce risk. [1]