CVE-2025-12735
9.8 · CRITICALOverview
CVE-2025-12735 is a critical-severity vulnerability affecting jorenbroekema javascript_expression_evaluator. It was published on November 5, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
The expr-eval library is a JavaScript expression parser and evaluator designed to safely evaluate mathematical expressions with user-defined variables. However, due to insufficient input validation, an attacker can pass a crafted context object or use MEMBER of the context object into the evaluate() function and trigger arbitrary code execution.
Remediation
Check the references section for vendor advisories and patches from jorenbroekema. Update javascript_expression_evaluator to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| silentmatt | javascript_expression_evaluator | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2025-12735?
CVE-2025-12735 is a critical-severity vulnerability affecting jorenbroekema javascript_expression_evaluator. It was published on November 5, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2025-12735?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-12735?
Check the references section for vendor advisories and patches from jorenbroekema. Update javascript_expression_evaluator to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-12735?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-12735 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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