CVE-2025-67886

Description

Bitrix24 through 25.100.300 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. NOTE: this is disputed by the Supplier because this is intended behavior for the high-privileged users who can upload new translated pages to the website.

CVSS v3.1 Score

6.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS — Exploit Prediction

0.0004

Probability of exploitation

0.11%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-434 Unrestricted Upload

References

Other References

https://dev.1c-bitrix.ru/api_help/translate/index.php https://dev.1c-bitrix.ru/learning/course/?COURSE_ID=43&LESSON_ID=3055 https://karmainsecurity.com/pocs/CVE-2025-67886.php https://seclists.org/fulldisclosure/2025/Dec/21 https://www.bitrix24.com/self-hosted/ http://seclists.org/fulldisclosure/2025/Dec/21 https://seclists.org/fulldisclosure/2025/Dec/21

Frequently Asked Questions

What is CVE-2025-67886? +

Bitrix24 through 25.100.300 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. NOTE: this is disputed by the Supplier because this is intended behavior for the high-privileged users who can upload new translated pages to the website. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2025-67886? +

CVE-2025-67886 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0004, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2025-67886? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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