Home / Vulnerabilities / CVE-2025-35939
MEDIUM SEVERITY
CVE-2025-35939 Craft CMS · Craft CMS

Craft CMS External Control of Assumed-Immutable Web Parameter Vulnerability

Technical Severity

CVSS v3.1 Metrics

MEDIUM
5.3 / 10
Minimal Risk Critical
Vector Specification
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Exploitation Likelihood

EPSS Prediction

20.81 %
Predictive Probability
Percentile Rank
95.5 th

Documented as more likely to be exploited than 95.5% of known CVEs.

Detection Date

Jun 02, 2025

Remediation Due

Jun 23, 2025

CISA Catalog Active

Threat Analysis

Craft CMS contains an external control of assumed-immutable web parameter vulnerability. This vulnerability could allow an unauthenticated client to introduce arbitrary values, such as PHP code, to a known local file location on the server. This vulnerability could be chained with CVE-2024-58136 as represented by CVE-2025-32432.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

External Intelligence