Executive Summary

CVE-2025-69403 is a high-severity arbitrary file upload vulnerability in the WordPress Bravis Addons Plugin versions up to and including 1.1.9.

This vulnerability allows an attacker with subscriber or developer privileges to upload arbitrary files, including malicious backdoors, to the affected website.

By uploading such files, the attacker can execute code on the site and gain further unauthorized access.

It is classified under OWASP Top 10 A3: Injection and has a CVSS score of 9.9, indicating a critical risk and high likelihood of exploitation.

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Impact Analysis

This vulnerability can allow attackers to upload malicious files that act as backdoors, enabling them to execute arbitrary code on your website.

As a result, attackers can gain unauthorized access, potentially compromising the integrity, confidentiality, and availability of your website and its data.

Such unauthorized access can lead to website defacement, data theft, or further exploitation of the server hosting the site.

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Compliance Impact

I don't know

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Detection Guidance

[{'type': 'paragraph', 'content': 'CVE-2025-69403 allows an attacker with subscriber or developer privileges to upload arbitrary files, including malicious backdoors, to the affected WordPress Bravis Addons Plugin (versions up to 1.1.9). Detection involves monitoring for unusual file uploads or suspicious files in the plugin directories.'}, {'type': 'paragraph', 'content': 'Since no official patch is available, and the vulnerability involves arbitrary file uploads, detection can include scanning for unexpected or newly added files with dangerous extensions or contents in the WordPress uploads or plugin folders.'}, {'type': 'paragraph', 'content': "Specific commands are not provided in the available resources. However, typical approaches might include using file integrity monitoring tools or commands like 'find' to locate recently modified or suspicious files, for example:"}, {'type': 'list_item', 'content': 'find /path/to/wordpress/wp-content/uploads/ -type f -mtime -7'}, {'type': 'list_item', 'content': "grep -r 'eval(' /path/to/wordpress/wp-content/plugins/bravis-addons/"}, {'type': 'paragraph', 'content': 'Additionally, monitoring web server logs for unusual POST requests to the plugin upload endpoints could help detect exploitation attempts.'}] [1]

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Mitigation Strategies

Since no official patch is currently available for CVE-2025-69403, immediate mitigation involves implementing the Patchstack mitigation rule designed to block exploitation attempts.

Users are strongly advised to apply this mitigation immediately to protect their websites from arbitrary file uploads that could lead to code execution and unauthorized access.

Additional general mitigation steps include restricting user privileges to prevent unauthorized file uploads, monitoring for suspicious activity, and considering disabling or removing the vulnerable plugin until a patch is released.

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