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CVE-2025-57520GHSA-XP8G-32QH-MV28

A Cross Site Scripting (XSS) vulnerability exists in Decap CMS thru 3.8.3.

Published
Last modified
published
Not listed in CISA KEV
1 proof of concept on GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • n/a n/a

    Version range not reported

  • decap-cmsnpm

    through 3.8.3

References 4

onurcangenc.com.tr

GitHub · decaporg/decap-cms

GitHub · onurcangnc/CVE-2025-57520-Stored-XSS-in-Decap-CMS-3.8.3-