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CRITICAL severity

CVE-2016-4010 — magento2

CRITICAL

CVE-2016-4010 is a critical-severity (CVSS 9.8) CWE-74 vulnerability. 7 public exploit references exist, so weaponization risk is real. No vendor fix is recorded yet; mitigation options are listed below.

Published
Updated
Affected
1 product
Patched
See advisory
Exploits
7 known
Exploitation data as of Oct 28, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
92.9%probability of exploitation in next 30 days
Very High Risk0.00%
Lower risk than most CVEs100th percentile — riskier than 100% of all scored CVEsHighest risk
85.1%88.3%91.5%94.7%86.9%92.9%Apr 26Aug 26Oct 26

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

How urgent is this, really

CVE-2016-4010 by exploitation likelihood (EPSS) against impact (CVSS). In the shaded patch-first corner (EPSS 50%+, CVSS 7.0+).

Where this sits among everything scored

Of 396,966 CVEs with a current EPSS score, this one falls in the ≥ 90% band (highlighted). Counts from FIRST.org, log-scaled.

Description

Magento CE and EE before 2.0.6 allows remote attackers to conduct PHP objection injection attacks and execute arbitrary PHP code via crafted serialized shopping cart data.

Affected Products

1 product · 2 configurations
Application
magentomagento
≤ 2.0.5
range
Exploits & PoCs
7

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

EDB-39838webappsphp✓ Verified

Magento < 2.0.6 - Arbitrary Unserialize / Arbitrary Write File

by agix · May 18, 2016

Exploit-DB Source

Detection & mitigation playbook

Vulnerability

  1. Detect

    Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).

  2. Remediation status

    No fixed release is recorded for CVE-2016-4010 yet. Track the upstream advisory, and apply the exposure-reduction steps below in the meantime.

  3. Mitigate without a patch

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

Frequently Asked Questions

Magento CE and EE before 2.0.6 allows remote attackers to conduct PHP objection injection attacks and execute arbitrary PHP code via crafted serialized shopping cart data.
O3 Security · Impact-Aware SCA

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CVE-2016-4010: magento2 (Critical 9.8)