CVE-2025-57520

A Cross Site Scripting (XSS) vulnerability exists in Decap CMS thru 3.8.3. Input fields such as body, tags, title, and description are not properly sanitized before being rendered in the content preview pane. This enables an attacker to inject arbitrary JavaScript which executes whenever a user views the preview panel. The vulnerability affects multiple input vectors and does not require user interaction beyond viewing the affected content.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/decaporg/decap-cms	Product
https://onurcangenc.com.tr/blog/decap-cms-xss-analysis	Broken Link
https://onurcangenc.com.tr/posts/cve-2025-57520--stored-xss-in-decap-cms-3-8-3/	Exploit Third Party Advisory
https://onurcangenc.com.tr/posts/cve-2025-57520--stored-xss-in-decap-cms-3-8-3/	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:techhub.p-m:decap_cms:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-09-10 17:15

Updated : 2025-09-16 17:35

NVD link : CVE-2025-57520

Mitre link : CVE-2025-57520

CVE.ORG link : CVE-2025-57520

JSON object : View

Products Affected

techhub.p-m

decap_cms

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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