CVE-2020-13764: Wp premium/gravityforms Gravity Forms Plugin Leak Hashed Vulnerability

HIGH
Advisory Identifier: GHSA-m983-q76g-cwpq
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CVSS 7.5
CWE-200
Published
Advisory Summary

CVE-2020-13764 is a HIGH (CVSS 7.5) gravity forms plugin leak hashed vulnerability (CWE-200: Exposure of Sensitive Information to an Unauthorized Actor) affecting Wp premium/gravityforms libraries in the Packagist ecosystem. The issue involves gravity forms plugin leak hashed passwords. Remediation is available by upgrading affected packages to version 2.4.9.

CVE-2020-13764 at a Glance

CVE Identifier CVE-2020-13764
GHSA Identifier GHSA-m983-q76g-cwpq
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Affected Product Wp premium/gravityforms
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 7.5

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:H/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 High (C:H)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2020-13764

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

wp-premium/gravityforms fixed: 2.4.9 
Upgrade wp-premium/gravityforms to 2.4.9
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 wp-premium/gravityforms

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-13764, inspect your project dependencies for Wp premium/gravityforms:

inspect dependencies for wp-premium/gravityforms

Analyze the terminal output to locate any version of Wp premium/gravityforms in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.4.9), 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-200: Exposure of Sensitive Information to an Unauthorized Actor, where the product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. In Wp premium/gravityforms, 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

common.php in the Gravity Forms plugin before 2.4.9 for WordPress can leak hashed passwords because user_pass is not considered a special case for a `$current_user->get($property)` call.

CVE-2020-13764 Affected Wp premium/gravityforms Versions

1 component(s)
Fixed Versions:
2.4.9
Product / Package Ecosystem Affected Versions Fixed Version
wp-premium/gravityforms
 Packagist
< 2.4.9
2.4.9

References

NVD — CVE-2020-13764 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13764
docs.gravityforms.com/gravityforms-change... WEB
https://docs.gravityforms.com/gravityforms-change-log
Wp premium/gravityforms Source Repository REPOSITORY
https://github.com/wp-premium/gravityforms
Wp premium/gravityforms Source Repository REPOSITORY
https://github.com/wp-premium/gravityforms/compare/2.4.8...2.4.9

Frequently Asked Questions

What is CVE-2020-13764?
CVE-2020-13764 is a security vulnerability in Wp premium/gravityforms involving Gravity Forms plugin leak hashed passwords under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor.
Which Wp premium/gravityforms versions are affected?
Affected versions include releases prior to 2.4.9 across affected packages: wp-premium/gravityforms.
What version fixes CVE-2020-13764?
Upgrading to 2.4.9 (or the latest patched release for your respective branch) resolves the vulnerability.
Is wp-premium/gravityforms affected?
Yes, wp-premium/gravityforms is affected in releases prior to 2.4.9. Upgrade your dependency to 2.4.9 or later.
What is the CVSS score of CVE-2020-13764?
CVE-2020-13764 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2020-13764?
CVE-2020-13764 is classified under CWE-200: Exposure of Sensitive Information to an Unauthorized Actor (The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.).
How can I check Packagist dependencies for CVE-2020-13764?
Run the dependency tree command: 'inspect dependencies for wp-premium/gravityforms'. 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-m983-q76g-cwpq",
  "modified" : "2024-04-24T18:05:23Z",
  "published" : "2022-05-24T17:18:59Z",
  "aliases" : [ "CVE-2020-13764" ],
  "summary" : "Gravity Forms plugin leak hashed passwords",
  "details" : "common.php in the Gravity Forms plugin before 2.4.9 for WordPress can leak hashed passwords because user_pass is not considered a special case for a `$current_user->get($property)` call.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "wp-premium/gravityforms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.4.9"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-13764"
  }, {
    "type" : "WEB",
    "url" : "https://docs.gravityforms.com/gravityforms-change-log"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/wp-premium/gravityforms"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/wp-premium/gravityforms/compare/2.4.8...2.4.9"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-200" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-04-24T18:05:23Z",
    "nvd_published_at" : "2020-06-02T21:15:00Z"
  }
}