Avada WordPress 主題 7.16.2 版發現未授權任意檔案上傳漏洞 (CVE-2026-115346)

The Avada | Website Builder For WordPress & WooCommerce theme for WordPress is vulnerable to Arbitrary File Upload in versions up to, and including, 7.16.2 via the convert_palette_images_to_truecolor() function. This is due to insufficient file type validation before processing uploaded files. This makes it possible for unauthenticated attackers to upload files that may be executable, which makes remote code execution possible.

Impact

Affected Products

The following products are affected by CVE-2026-115346 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.

Update Avada theme to patch arbitrary file upload vulnerability and prevent remote code execution.

• Update the Avada theme to the latest version.
• Ensure file type validation is strictly enforced.
• Review uploaded file processing functions.

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-115346.

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-115346 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-115346 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-115346 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-115346 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

• New CVE Received by [email protected]

  十月. 30, 2026

  Action	Type	Old Value	New Value
  Added	Description		The Avada | Website Builder For WordPress & WooCommerce theme for WordPress is vulnerable to Arbitrary File Upload in versions up to, and including, 7.16.2 via the convert_palette_images_to_truecolor() function. This is due to insufficient file type validation before processing uploaded files. This makes it possible for unauthenticated attackers to upload files that may be executable, which makes remote code execution possible.
  Added	CVSS V3.1		AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  Added	CWE		CWE-434
  Added	Affected		New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/115xxx/CVE-2026-115346.json">CVE-2026-115346</a>
  Added	Reference		https://avada.com/blog/version-7-16-4-security-update/
  Added	Reference		https://themeforest.net/item/avada-responsive-multipurpose-theme/2833226
  Added	Reference		https://www.wordfence.com/threat-intel/vulnerabilities/id/af757e6b-cbb3-4efd-8c83-99a03dee2311?source=cve

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.