Medium severity6.1NVD Advisory· Published Sep 10, 2025· Updated Jun 17, 2026
CVE-2025-57520
CVE-2025-57520
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
decap-cmsnpm | <= 3.8.3 | — |
Affected products
3- Decap/CMSdescription
Patches
Vulnerability mechanics
References
5- onurcangenc.com.tr/posts/cve-2025-57520--stored-xss-in-decap-cms-3-8-3/nvdExploitThird Party Advisory
- github.com/advisories/GHSA-xp8g-32qh-mv28ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-57520ghsaADVISORY
- onurcangenc.com.tr/blog/decap-cms-xss-analysisnvdBroken Link
- onurcangenc.com.tr/posts/cve-2025-57520--stored-xss-in-decap-cms-3-8-3ghsaWEB
News mentions
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