1C-Bitrix through 25.100.500 allows Remote Code Execution because an actor with SOURCE/WRITE permissions for the Translate Module can upload and execute code by sending a PHP file and a .htaccess file. This vulnerability is classified as critical with a CVSS score of 9.8, highlighting the severe risk it poses to organizations. The exploitability is rated as critical, indicating that it is relatively easy to exploit and can lead to significant damage.
Risk to organizations includes unauthorized execution of commands, potential data breaches, and disruption of services. With the attack vector being network-based and the complexity rated low, attackers may leverage this vulnerability to gain unauthorized access. Organizations should address this in their priority patch cycle.
As of now, the vulnerability status is awaiting analysis, and there is no confirmed public exploit. However, it is essential for organizations using 1C-Bitrix to remain vigilant and prepare for potential exploits, ensuring that they have the necessary mitigations in place.
Organizations should prioritize patching immediately. Keeping systems updated is crucial to protect against evolving threats associated with this vulnerability.
Vulnerability Details
The CVE-2025-67887 vulnerability allows unauthorized users to execute remote code via the Translate Module in 1C-Bitrix. The CVSS score of 9.8 reflects the critical nature of the issue, with high impacts on confidentiality, integrity, and availability. The vulnerability was published on May 8, 2026, and is classified under CWE-94.
Technical Analysis
The root cause of this vulnerability lies in improper validation of file uploads. Attackers can exploit this vulnerability by uploading malicious PHP files, which the server then executes, allowing remote code execution. The attack vector is through the network, requiring no privileges or user interaction, making it highly exploitable.
Risk & Impact Analysis
Organizations using affected versions of 1C-Bitrix face considerable risks, including unauthorized data access and potential service disruptions. Given the critical CVSS score, the urgency for remediation is high. The blast radius of this vulnerability can encompass any system accessible via the network, increasing the potential impact on organizational operations.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
All versions of 1C-Bitrix prior to the vendor patch 25.100.500 are affected by this vulnerability.
Mitigation & Remediation
Organizations should apply the latest patches from 1C-Bitrix to remediate this vulnerability. If immediate patching is not feasible, consider implementing access controls to restrict upload permissions for the Translate Module. Continuous monitoring of web applications is also recommended to detect any unauthorized file uploads. For further insights on security measures, organizations can refer to our penetration testing services.
Detection Guidance
To detect exploitation attempts, organizations should monitor logs for unusual file uploads, especially PHP files and .htaccess files. Behavioral anomalies, such as unexpected changes in application behavior or performance, should also be investigated.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2025-67887 highlights the critical importance of secure file upload mechanisms in web applications. As organizations increasingly rely on content management systems, understanding and mitigating risks associated with file uploads is essential. Security teams should learn from this vulnerability to strengthen their defenses against similar issues in the future. For a more in-depth understanding of secure practices, refer to our articles on file upload vulnerabilities and penetration testing methodology to enhance your organization's security posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
.webp)