Magento Open Source affected by an Improper Restriction of XML External Entity Reference ('XXE') vulnerability

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Listed since 17 Jul 2024: known to be exploited.
• EPSS 1.00, the 99th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 14:29 UTC First seen by agentprime
2. 31 Oct 2026, 14:29 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-m8cj-3v68-3cxj
• OSV: GHSA-m8cj-3v68-3cxj
• nvd.nist.gov/vuln/detail/CVE-2024-34102
• github.com/magento/magento2/commit/30877fce83b793f71421c47347885cf076e81799
• github.com/magento/magento2/commit/a3c6d6e5e95e63031e4df26cfcf76feace7549c2
• github.com/magento/magento2/commit/c5c538810b87449886f4669cb8abbe8e5593c83c
• github.com/magento/magento2/commit/d10435b11ada4e502dca7539f8fd31d059d3c482#diff-84a0773a6287fbbaadf3b9103f4a137fc0b6946de2437ddfd6f60a0722cf8d23
• github.com/FriendsOfPHP/security-advisories/blob/master/magento/product-community-edition/CVE-2024-34102.yaml
• github.com/magento/magento2
• helpx.adobe.com/security/products/magento/apsb24-40.html
• www.vicarius.io/vsociety/posts/cosmicsting-critical-unauthenticated-xxe-vulnerability-in-adobe-commerce-and-magento-cve-2024-34102

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.