CVE-2026-39642
BaseFortify
Publication date: 2026-05-26
Last updated on: 2026-05-26
Assigner: Patchstack
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| patchstack | nyla | to 1.7 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-80 | The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-39642 is a vulnerability in the WordPress Nyla Theme (version 1.7 and below) that allows an attacker to inject malicious code into website pages or posts. This happens because the theme improperly neutralizes script-related HTML tags, leading to a basic Cross-Site Scripting (XSS) issue.
The vulnerability does not require any authentication to exploit and is classified as a Content Injection issue. It falls under the OWASP Top 10 category A3: Injection.
How can this vulnerability impact me? :
This vulnerability can allow attackers to inject malicious content into your website, which could be used to create phishing pages or deliver other malicious payloads to your visitors.
Although the severity is considered low with a CVSS score of 5.3, attackers may exploit this vulnerability in large-scale campaigns targeting many websites.
Because the vulnerability does not require authentication, any attacker can exploit it remotely, increasing the risk of widespread abuse.
Immediate action is recommended, such as updating the theme or consulting with a hosting provider or web developer to mitigate the risk.
What immediate steps should I take to mitigate this vulnerability?
Immediate action is recommended to mitigate this vulnerability since there is no official patch available.
- Update the Nyla theme to a newer version if available.
- Seek assistance from your hosting provider or a web developer to implement temporary mitigations or workarounds.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
This vulnerability allows an attacker to inject malicious content into website pages or posts, potentially enabling phishing attacks. Such unauthorized content injection can lead to exposure of user data or compromise of website integrity.
While the CVE description and resources do not explicitly mention compliance with standards like GDPR or HIPAA, the presence of a code injection vulnerability that could be exploited to manipulate website content may increase the risk of data breaches or unauthorized data processing, which are critical concerns under these regulations.
Therefore, organizations using the vulnerable Nyla theme should consider this vulnerability as a potential compliance risk, especially if personal or sensitive data is involved, and take immediate remediation steps to mitigate it.