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MEDIUM severity

CVE-2024-41676 — magento-lts

MEDIUMFix: OpenMage/magento-lts@484cf8a

CVE-2024-41676 is a medium-severity (CVSS 4.1) Cross-site Scripting (XSS) vulnerability in openmage/magento-lts. A fix is available for openmage/magento-lts — see the affected versions and patch details below.

Magento LTS vulnerable to stored Cross-site Scripting (XSS) in admin system configs

Also known asGHSA-5vrp-638w-p8m2
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed
Exploitation data as of Nov 5, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2024-41676.

EPSS Exploitation Probability

via FIRST.org ↗
0.4%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs30th percentile — riskier than 30% of all scored CVEsHighest risk
0.00%0.39%0.78%1.17%0.7%0.4%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐘openmage/magento-lts

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Packagist packages — download data is not available via public APIs for these ecosystems.

Description

Impact

This XSS vulnerability is about the system configs

  • design/header/welcome
  • design/header/logo_src
  • design/header/logo_src_small
  • design/header/logo_alt

They are intended to enable admins to set a text in the two cases, and to define an image url for the other two cases. But because of previously missing escaping allowed to input arbitrary html and as a consequence also arbitrary JavaScript.

While this is in most usage scenarios not a relevant issue, some people work with more restrictive roles in the backend. Here the ability to inject JavaScript with these settings would be an unintended and unwanted privilege.

Patches

Has the problem been patched? What versions should users upgrade to?

The problem is patched with Version 20.10.1 or higher.

Workarounds

Is there a way for users to fix or remediate the vulnerability without upgrading?

Possible mitigations are

  • Restricting access to the System Configs
  • checking templates where these settings are used to apply proper html filtering

For Users relying on this possibility

Some Users might actually rely on the ability to use html there. You can restore the previous behavior by making use of the new introduced ->getUnescapedValue() method on this escaped elements. Developers should have a look at the newly introduced Mage_Core_Model_Security_HtmlEscapedString

Credit

Credit goes to Aakash Adhikari @justlife4x4 for finding this issue

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐘Packagistopenmage/magento-ltsall versions20.10.1composer require openmage/magento-lts:^20.10.1

Affected Products

1 product · 1 configurations
Application
magentoopenmage
< 20.10.1
range

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for openmage/magento-lts, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update openmage/magento-lts to 20.10.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2024-41676 is resolved across your whole dependency graph.

  3. Workarounds

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

### Impact This XSS vulnerability is about the system configs * design/header/welcome * design/header/logo_src * design/header/logo_src_small * design/header/logo_alt They are intended to enable admins to set a text in the two cases, and to define an image url for the other two cases. But because of previously missing escaping allowed to input arbitrary html and as a consequence also arbitrary JavaScript. While this is in most usage scenarios not a relevant issue, some people work with more restrictive roles in the backend. Here the ability to inject JavaScript with these settings would be
O3 Security · Impact-Aware SCA

Is CVE-2024-41676 in your dependencies?

Find it across Packagist, including transitive dependencies.

CVE-2024-41676: magento-lts XSS — Fixed in 20.10.1