---
id: "CVE-2024-37383"
kind: "vulnerability"
aliases: ["CVE-2024-37383"]
title: "Roundcube Webmail before 1.5.7 and 1.6.x before 1.6.7 allows XSS via SVG animate attributes"
severity: "high"
cvss: 6.1
epss: null
exploited: true
status: "open"
category: "package"
products: [{"name": "roundcube webmail", "fixed": ["1.5.7"], "affected": "< 1.5.7", "ecosystem": "vendor"}, {"name": "roundcube webmail", "fixed": ["1.6.7"], "affected": ">= 1.6.0, < 1.6.7", "ecosystem": "vendor"}, {"name": "debian linux", "fixed": [], "affected": "= 10.0", "ecosystem": "vendor"}, {"name": "Roundcube Webmail", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["exploited", "package", "roundcube", "self-hosted", "webmail"]
not_affected_if: ["managed-hosting"]
published_at: "2024-06-07T04:15:30+00:00"
first_seen_at: "2026-10-23T19:11:51+00:00"
updated_at: "2026-10-24T00:09:51+00:00"
sources: [{"source": "kev", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-37383", "first_seen_at": "2026-10-23T19:11:51+00:00"}, {"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-37383", "first_seen_at": "2026-10-23T22:29:05+00:00"}]
---

# Roundcube Webmail before 1.5.7 and 1.6.x before 1.6.7 allows XSS via SVG animate attributes

Roundcube Webmail has a cross-site scripting flaw in how it handles SVG animate attributes. A remote attacker can run malicious JavaScript in a victim's webmail session, which can expose mail and account actions.

_Summary, check and fix written by a model from the sources; labelled as such._

## Affected

- vendor:roundcube webmail affected < 1.5.7 fixed 1.5.7
- vendor:roundcube webmail affected >= 1.6.0, < 1.6.7 fixed 1.6.7
- vendor:debian linux affected = 10.0 fixed ?
- vendor:Roundcube Webmail affected ? fixed ?

## Fix

Apply the vendor mitigation or update Roundcube Webmail to a fixed version; the sources do not name the fixed version.
If no mitigation is available, discontinue use of the product per CISA guidance.

## Timeline

- 2026-10-23T19:11:51+00:00 kev https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2024-37383
- 2026-10-23T22:29:05+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2024-37383

## From the sources

RoundCube Webmail contains a cross-site scripting (XSS) vulnerability in the handling of SVG animate attributes that allows a remote attacker to run malicious JavaScript code.

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_