CVE-2020-29156: Woocommerce/woocommerce Remote Code Execution Vulnerability

MODERATE
Advisory Identifier: GHSA-wwh8-v3j3-gxfw
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CVSS 5.3
CWE-863
Published
Advisory Summary

CVE-2020-29156 is a MODERATE (CVSS 5.3) remote code execution vulnerability (CWE-863: Incorrect Authorization) affecting Woocommerce/woocommerce libraries in the Packagist ecosystem. The issue involves woocommerce incorrect authorization. Remediation is available by upgrading affected packages to version 4.7.0.

CVE-2020-29156 at a Glance

CVE Identifier CVE-2020-29156
GHSA Identifier GHSA-wwh8-v3j3-gxfw
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-863: Incorrect Authorization
Affected Product Woocommerce/woocommerce
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 5.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2020-29156

To remediate this vulnerability, upgrade all affected Woocommerce/woocommerce dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

woocommerce/woocommerce fixed: 4.7.0 
Upgrade woocommerce/woocommerce to 4.7.0
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for woocommerce/woocommerce

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-29156, inspect your project dependencies for Woocommerce/woocommerce:

inspect dependencies for woocommerce/woocommerce

Analyze the terminal output to locate any version of Woocommerce/woocommerce in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.7.0), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-863: Incorrect Authorization, where the product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. In Woocommerce/woocommerce, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

The WooCommerce plugin before 4.7.0 for WordPress allows remote attackers to view the status of arbitrary orders via the `order_id` parameter in a `fetch_order_status` action.

CVE-2020-29156 Affected Woocommerce/woocommerce Versions

1 component(s)
Fixed Versions:
4.7.0
Product / Package Ecosystem Affected Versions Fixed Version
woocommerce/woocommerce
 Packagist
< 4.7.0
4.7.0

References

NVD — CVE-2020-29156 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-29156
Woocommerce/woocommerce Source Repository REPOSITORY
https://github.com/Ko-kn3t/CVE-2020-29156
Woocommerce/woocommerce Source Repository REPOSITORY
https://github.com/woocommerce/woocommerce
raw.githubusercontent.com/woocommerce/woocomm... WEB
https://raw.githubusercontent.com/woocommerce/woocommerce/master/changelog.txt

Frequently Asked Questions

What is CVE-2020-29156?
CVE-2020-29156 is a security vulnerability in Woocommerce/woocommerce involving WooCommerce Incorrect Authorization under CWE-863: Incorrect Authorization.
Which Woocommerce/woocommerce versions are affected?
Affected versions include releases prior to 4.7.0 across affected packages: woocommerce/woocommerce.
What version fixes CVE-2020-29156?
Upgrading to 4.7.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is woocommerce/woocommerce affected?
Yes, woocommerce/woocommerce is affected in releases prior to 4.7.0. Upgrade your dependency to 4.7.0 or later.
What is the CVSS score of CVE-2020-29156?
CVE-2020-29156 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2020-29156?
CVE-2020-29156 is classified under CWE-863: Incorrect Authorization (The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.).
How can I check Packagist dependencies for CVE-2020-29156?
Run the dependency tree command: 'inspect dependencies for woocommerce/woocommerce'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-wwh8-v3j3-gxfw",
  "modified" : "2024-01-10T19:29:47Z",
  "published" : "2022-05-24T17:37:26Z",
  "aliases" : [ "CVE-2020-29156" ],
  "summary" : "WooCommerce Incorrect Authorization",
  "details" : "The WooCommerce plugin before 4.7.0 for WordPress allows remote attackers to view the status of arbitrary orders via the `order_id` parameter in a `fetch_order_status` action.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "woocommerce/woocommerce"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "4.7.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-29156"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/Ko-kn3t/CVE-2020-29156"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/woocommerce/woocommerce"
  }, {
    "type" : "WEB",
    "url" : "https://raw.githubusercontent.com/woocommerce/woocommerce/master/changelog.txt"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-863" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-01-10T19:29:47Z",
    "nvd_published_at" : "2020-12-27T19:15:00Z"
  }
}